Cosmic-Ray Rejection by Laplacian Edge Detection

Abstract

Conventional algorithms for rejecting cosmic-rays in single CCD exposures rely on the contrast between cosmic-rays and their surroundings, and may produce erroneous results if the Point Spread Function (PSF) is smaller than the largest cosmic-rays. This paper describes a robust algorithm for cosmic-ray rejection, based on a variation of Laplacian edge detection. The algorithm identifies cosmic-rays of arbitrary shapes and sizes by the sharpness of their edges, and reliably discriminates between poorly sampled point sources and cosmic-rays. Examples of its performance are given for spectroscopic and imaging data, including HST WFPC2 images.

Accepted for publication in the PASP (November 2001 issue). The algorithm is implemented in the program L.A.Cosmic, which can be obtained from http://www.astro.caltech.edu/~pgd/lacosmic/

References in corpus (1)

• Luminosity Evolution of Field Early-Type Galaxies to z=0.55

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• Evidence for multiple populations in the intermediate age cluster Lindsay 1 in the SMC
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• Spectroscopic Confirmation of an Ultra Massive and Compact Galaxy at z=3.35: A Detailed Look at an Early Progenitor of Local Most Massive Ellipticals
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• Optical spectroscopic survey of a sample of Unidentified Fermi objects
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• A spectroscopic follow-up program of very massive galaxies at 3<z<4: confirmation of spectroscopic redshifts, and a high fraction of powerful AGN
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• Euclid: Early Release Observations -- Programme overview and pipeline for compact- and diffuse-emission photometry
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• First Spectroscopic Confirmations of z ~ 7.0 Lya Emitting Galaxies in the LAGER Survey
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• DYNAMO II: Coupled Stellar and Ionized Gas Kinematics in Two Low Redshift Clumpy Disks
• Discovery of 36 eclipsing EL CVn binaries found by the Palomar Transient Factory
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• First Science with SAMI: A Serendipitously Discovered Galactic Wind in ESO 185-G031
• Microlensing of the broad-line region in the quadruply imaged quasar HE0435-1223
• SALT reveals the barium central star of the planetary nebula Hen 2-39
• Galaxy evolution in a complex environment: a multi-wavelength study of HCG 7
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• A Limit on the Number of Isolated Neutron Stars Detected in the ROSAT Bright Source Catalog
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• Constraining the energy budget of GRB 080721
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• KYDISC: Galaxy Morphology, Quenching, and Mergers in the Cluster Environment
• North Ecliptic Pole Wide Field Survey of AKARI: Survey Strategy and Data Characteristics
• New constraints on the chemical evolution of the dwarf spheroidal galaxy LeoI from VLT spectroscopy
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• Hubble Space Telescope Spectroscopic Observations of the Narrow-Line Region in Nearby Low-Luminosity Active Galactic Nuclei
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• A New Iron Emission Template for Active Galactic Nuclei. I. Optical Template for the H$\beta$ region
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• Excitation of Molecular Hydrogen in the Orion Bar Photodissociation Region From a Deep Near-Infrared IGRINS Spectrum
• GA-NIFS: Early-stage feedback in a heavily obscured AGN at $z=4.76$
• The Araucaria Project: VLT-spectroscopy of blue massive stars in NGC 55
• Evidence for the rapid formation of low mass early-type galaxies in dense environments
• JWST reveals a rapid and strong day side variability of 55 Cancri e
• TDCOSMO 2025: Cosmological constraints from strong lensing time delays
• Probing the physics of narrow-line regions of Seyfert galaxies I: The case of NGC 5427
• Highly-ionized metals as probes of the circumburst gas in the natal regions of gamma-ray bursts
• Spectropolarimetry of High Redshift Obscured and Red Quasars
• X-Shooter GTO: Chemical analysis of a sample of EMP candidates
• Milky Way Red Dwarfs in the BoRG Survey; Galactic scale-height and the distribution of dwarfs stars in WFC3 imaging
• The First Two Host Galaxies of X-ray Flashes: XRF 011030 and XRF 020427
• The ANU WiFeS SuperNovA Program (AWSNAP)
• The ODYSSEUS Survey. Motivation and First Results: Accretion, Ejection, and Disk Irradiation of CVSO 109
• Massive stars dying alone: The extremely remote environment of SN 2009ip
• An integral field spectroscopic survey for high redshift damped Lyman-alpha galaxies
• Is the Escape Velocity in Star Clusters Linked to Extended Star Formation Histories? Using NGC 7252: W3 as a Test Case
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• Optical-Infrared ANDICAM Observations of the Transient Associated with GRB 030329
• GA-NIFS: High number of dual active galactic nuclei at z~3
• Extremely late photometry of SN~2011fe
• Hello Darkness My Old Friend: The Fading of the Nearby TDE ASASSN-14ae
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• Metal-poor dwarf galaxies in the SIGRID galaxy sample. I. HII region observations and chemical abundances
• The White Dwarf Population in NGC 1039 (M34) and the White Dwarf Initial-Final Mass Relation
• Early-type galaxies in the near-infrared: 1.5-2.4\mum spectroscopy
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• SN 2018bsz: a Type I superluminous supernova with aspherical circumstellar material
• Low-resolution Spectroscopy for the Globular Clusters with Signs of Supernova Enrichment: M22, NGC 1851 and NGC 288
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• The Optical Aurorae of Europa, Ganymede and Callisto
• SN 2007uy - metamorphosis of an aspheric Type Ib explosion
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• The SALT survey of helium-rich hot subdwarfs: methods, classification, and coarse analysis
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• The reanalysis of spectra of GRB 080913 to estimate the neutral fraction of the IGM at a redshift of 6.7
• New constraints on GRB jet geometry and relativistic shock physics
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• PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel
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• The High A(V) Quasar Survey: Reddened quasi-stellar objects selected from optical/near-infrared photometry - II
• MaxiMask and MaxiTrack: two new tools for identifying contaminants in astronomical images using convolutional neural networks
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• NGC 1566: analysis of the nuclear region from optical and near-infrared Integral Field Unit spectroscopy
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• Radio-Selected Quasars in the Sloan Digital Sky Survey
• The AKARI 2.5-5.0 Micron Spectral Atlas of Type-1 Active Galactic Nuclei: Black Hole Mass Estimator, Line Ratio, and Hot Dust Temperature
• One of the most massive stars in the Galaxy may have formed in isolation
• Emission line variability of young 10-30 Mjup companions : I. The case of GQ Lup b and GSC 06214-00210 b
• Still Brighter than Pre-Explosion, SN 2012Z Did Not Disappear: Comparing Hubble Space Telescope Observations a Decade Apart
• Discovery of an eclipsing dwarf nova in the ancient nova shell Te 11
• MUSE observations of a changing-look AGN I: The re-appearance of the broad emission lines
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• Analysis of Neptune's 2017 Bright Equatorial Storm
• Mapping the Escape Fraction of Ionizing Photons Using Resolved Stars: A Much Higher Escape Fraction for NGC 4214
• A kinematic study of the neutral and ionised gas in the irregular dwarf galaxies IC 4662 and NGC 5408
• A Complete Census of Luminous Stellar Variability on Day to Decade Timescales
• WIYN Open Cluster Study. LXXVII. Radial-Velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 7789
• Massive star cluster formation and evolution in tidal dwarf galaxies
• Dust masses for a large sample of core-collapse supernovae from optical emission line asymmetries: dust formation on 30-year timescales
• Optical spectroscopic observations of gamma-ray blazar candidates VIII: the 2016-2017 follow up campaign carried out at SPM, NOT, KPNO and SOAR telescopes
• Hot, dense He II outflows during the 2017 outburst of the X-ray transient Swift J1357.2-0933
• The 3-D Kinematics of the Orion Nebula Cluster: NIRSPEC-AO Radial Velocities of the Core Population
• The close pair fraction of BCGs since $z=0.5$: major mergers dominate recent BCG stellar mass growth
• Optical and mid-infrared line emission in nearby Seyfert galaxies
• Constraining the lifetime and opening angle of quasars using fluorescent Lyman $\alpha$ emission: the case of Q0420-388
• Exceptionally fast ejecta seen in light echoes of Eta Carinae's Great Eruption
• Star Clusters in Virgo and Fornax Dwarf Irregular Galaxies
• Spectroscopic detection of multiple populations in the ~2 Gyr old cluster Hodge 6 in the LMC
• Deep Chandra Monitoring Observations of NGC 4649: II. Wide-Field Hubble Space Telescope Imaging of the Globular Clusters
• Spatially-Resolved Narrow Line Region Kinematics in Active Galactic Nuclei
• A Photometric and Spectroscopic Search for White Dwarfs in the Open Clusters NGC 6633 and NGC 7063
• The Relation Between Galaxy ISM and Circumgalactic OVI Gas Kinematics Derived from Observations and $\Lambda$CDM Simulations
• Active Galactic Nucleus Environments and Feedback to Neighboring Galaxies at $z\sim 5$ Probed by Lyman-Alpha Emitters
• Spectroscopic Survey of 1.4 GHz and 24 Micron Sources in the Spitzer First Look Survey with WIYN/Hydra
• Spectroscopy of extended Lyα envelopes around z=4.5 quasars
• A Lyα blob and zabs {\approx} zem damped Lyα absorber in the dark matter halo of the binary quasar Q 0151+048
• The Survey of Lines in M31 (SLIM): Investigating the Origins of [CII] Emission
• Discovery of an Overdensity of Lyman-alpha Emitters Around a $\mathrm{z}\sim 4$ QSO with the Large Binocular Telescope
• Texas Spectroscopic Search for Ly$\alpha$ Emission at the End of Reionization I. Constraining the Ly$\alpha$ Equivalent Width Distribution at 6.0 < $z$ < 7.0
• Asymmetry in the Outburst of SN 1987A Detected Using Light Echo Spectroscopy
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• On the Properties of Spectroscopically-Confirmed Ultra-Diffuse Galaxies Across Environment
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• CHANG-ES XII: A LOFAR and VLA view of the edge-on star-forming galaxy NGC 3556
• A New Method for Wide-Field Near-IR Imaging with the Hubble Space Telescope
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• The extended High A(V) Quasar Survey: Searching for dusty absorbers toward mid-infrared selected quasars
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• Was 49b: An Overmassive AGN in a Merging Dwarf Galaxy?
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• The initial mass functions of M31 and M32 through far red stellar absorption features
• Monochromatic globular clusters as a critical test of formation models for the dark matter deficient galaxies NGC1052-DF2 and NGC1052-DF4
• Ondr}ejov echelle spectrograph, ground based support facility for exoplanet missions
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• Five New Outbursting AM CVn Systems Discovered by the Palomar Transient Factory
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• Multi-Frequency Observations of the Candidate Neutrino Emitting Blazar BZB J0955+3551
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• The Second Data Release of the Beijing-Arizona Sky Survey
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• SKYSURF: Constraints on Zodiacal Light and Extragalactic Background Light through Panchromatic HST All-Sky Surface-Brightness Measurements: I. Survey Overview and Methods
• Testing a Dynamical Equilibrium Model of the Extraplanar Diffuse Ionized Gas in NGC 891
• Super-Chandrasekhar SNe Ia Strongly Prefer Metal-Poor Environments
• Hyper Suprime-Cam Low Surface Brightness Galaxies II: A Hubble Space Telescope Study of the Globular Cluster Systems of Ultra-Diffuse Galaxies in Groups
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• The host galaxies of strong CaII QSO absorption systems at z<0.5
• The bipolar jet of the symbiotic star R Aquarii: A study of its morphology using the high-resolution HST WFC3/UVIS camera
• The Colorado Ultraviolet Transit Experiment (CUTE) Mission Overview
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• Powerful Activity in the Bright Ages. I. A Visible/IR Survey of High Redshift 3C Radio Galaxies and Quasars
• Testing the Modern Merger Hypothesis via the Assembly of Massive Blue Elliptical Galaxies in the Local Universe
• Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: the big brother of SN 1998S
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• Multi-Wavelength Studies of Spectacular Ram Pressure Stripping of a Galaxy. II. Star Formation in the Tail
• LBT transmission spectroscopy of HAT-P-12b: confirmation of a cloudy atmosphere with no significant alkali features
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• A Hubble Space Telescope Imaging Survey of Low-Redshift Swift-BAT Active Galaxies
• Spectroscopy and multiband photometry of the afterglow of intermediate duration gamma-ray burst 040924 and its host galaxy
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• JWST/MIRI Simulated Imaging: Insights into Obscured Star-Formation and AGN for Distant Galaxies in Deep Surveys
• SN 2017gci: a nearby Type I Superluminous Supernova with a bumpy tail
• DebrisWatch I: A survey of faint geosynchronous debris
• A Long-Duration Luminous Type IIn Supernova KISS15s: Strong Recombination Lines from the Inhomogeneous Ejecta-CSM Interaction Region and Hot Dust Emission from Newly Formed Dust
• The Lyman alpha Reference Sample VI: Lyman alpha escape from the edge-on disk galaxy Mrk1486
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• The Spectacular Radio-Near-IR-X-ray Jet of 3C 111: X-ray Emission Mechanism and Jet Kinematics
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• The Unique Structural Parameters of the Underlying Host Galaxies in Blue Compact Dwarfs
• Oxygen Abundance Measurements of SHIELD Galaxies
• Local analogues of high-redshift star-forming galaxies: integral field spectroscopy of green peas
• Kron 3: a fourth intermediate age cluster in the SMC with evidence of multiple populations
• The Snapshot Hubble U-Band Cluster Survey (SHUCS). I. Survey Description and First Application to the Mixed Star Cluster Population of NGC 4041
• The Snapshot Hubble U-Band Cluster Survey (SHUCS) II. Star Cluster Population of NGC 2997
• An Off-Nucleus Nonstellar Black Hole in the Seyfert Galaxy NGC 5252
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• Radiative Driving of the AGN Outflows in the Narrow-Line Seyfert 1 Galaxy NGC 4051
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• SN2019yvq Does Not Conform to SN Ia Explosion Models
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• The True Luminosities of Planetary Nebulae in M31's Bulge: Massive Central Stars from an Old Stellar Population
• A SINFONI Integral Field Spectroscopy Survey for Galaxy Counterparts to Damped Lyman-alpha Systems - V. Neutral and Ionised Phase Metallicities
• The 2019 eruption of recurrent nova V3890 Sgr: observations by Swift, NICER and SMARTS
• Evaluation of cosmic ray rejection algorithms on single-shot exposures
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• Activity of the first interstellar comet 2I/Borisov around perihelion: Results from Indian observatories
• A Radial Velocity and Calcium Triplet abundance survey of field Small Magellanic Cloud giants
• The Sloan Bright Arcs Survey: Ten Strong Gravitational Lensing Clusters and Evidence of Overconcentration
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• PTF1 J191905.19+481506.2 - A Partially Eclipsing AM CVn System Discovered in the Palomar Transient Factory
• Imaging Polarization of the Blue-Excess Hot Dust-Obscured Galaxy WISE J011601.41-050504.0
• Resolving 3D Disk Orientation using High-Resolution Images: New Constraints on Circumgalactic Gas Inflows
• An embedded active nucleus in the OH megamaser galaxy IRAS16399-0937
• The complex evolution of the X-ray binary transient MAXI J1807+132 along the decay of its discovery outburst
• Kinematics of Extremely Metal-poor Galaxies: Evidence for Stellar Feedback
• Tips and Tricks in linear imaging polarimetry of extended sources with FORS2 at the VLT
• Characterization of the distribution of the Llyαemitters in the 53W002 field at z = 2.4
• A SLUGGS and Gemini/GMOS combined study of the elliptical galaxy M60: wide-field photometry and kinematics of the globular cluster system
• G107.0+9.0: A New Large Optically Bright, Radio and X-Ray Faint Galactic Supernova Remnant in Cepheus
• Outflows, Shocks and Coronal Line Emission in a Radio-Selected AGN in a Dwarf Galaxy
• VLT/XSHOOTER & Subaru/MOIRCS Spectroscopy of HUDF-YD3: No Evidence for Lyman-alpha Emission at z=8.55
• Multiband photometric decomposition of nuclear stellar disks
• A comparison between the soft X-ray and [O III] morphologies of active galactic nuclei
• Metal Abundances of 12 Dwarf Irregulars from the ADBS Survey
• The Sloan Digital Sky Survey Reverberation Mapping Project: Quasar Host Galaxies at $z<0.8$ from Image Decomposition
• Optical spectroscopic observations of low-energy counterparts of Fermi-LAT gamma-ray sources
• SWIFT Observations of the Arp 147 Ring galaxy system
• Stellar content, planetary nebulae, and globular clusters of [KKS2000]04 (NGC1052-DF2)
• Dating individual quasars with the HeII proximity effect
• Integral Field Spectroscopy of Extended Lyman-alpha Emission from the DLA Galaxy in Q2233+131
• Young globular clusters in NGC 1316
• Polarimetry of Hydrogen-Poor Superluminous Supernovae
• Tracing the origin of the AGN fuelling reservoir in MCG--6-30-15
• Kinematics and line strength indices in the halos of the Coma Brightest Cluster Galaxies NGC 4874 and NGC 4889
• First detection of acceleration and deceleration in protostellar jets? Time variability in the Cha II outflows
• The Black Hole and Central Stellar Population of MCG--6-30-15
• The OTELO survey. I. Description, data reduction, and multi-wavelength catalogue
• The High Cadence Transient Survey (HITS): Compilation and characterization of light-curve catalogs
• Gaia transients in galactic nuclei
• SDSS J094604.90+183541.8: A Gravitationally Lensed Quasar at z=4.8
• Optical IFU observations of gas pillars surrounding the super star cluster NGC 3603
• Variability of Moderate Luminosity Active Galactic Nuclei at z=0.36
• Finding Quasars behind the Galactic Plane. II. Spectroscopic Identifications of 204 Quasars at $|b|<20°$
• The different origins of high- and low-ionization broad emission lines revealed by gravitational microlensing in the Einstein cross
• X-Shooting ULLYSES: Massive Stars at low metallicity II. DR1: Advanced optical data products for the Magellanic Clouds
• Photometric variability in a warm, strongly magnetic DQ white dwarf, SDSS J103655.39+652252.2
• Orbital and Superorbital Monitoring of the Be/X-ray binary A0538-66: constraints on the system parameters
• An excessively massive thick disc of the enormous edge-on lenticular galaxy NGC7572
• Carbon Abundances in Starburst Galaxies of the Local Universe
• The Night Sky Spectrum of Xinglong Observatory: Changes from 2004 to 2015
• A photometric search for transients in galaxy clusters
• The Panchromatic High-Resolution Spectroscopic Survey of Local Group Star Clusters - I. General Data Reduction Procedures for the VLT/X-shooter UVB and VIS arm
• LSQ13fn: A type II-Plateau supernova with a possibly low metallicity progenitor that breaks the standardised candle relation
• A quasar hiding behind two dusty absorbers. Quantifying the selection bias of metal-rich, damped Lyman-alpha absorption systems
• TOI-2046b, TOI-1181b and TOI-1516b, three new hot Jupiters from \textit{TESS}: planets orbiting a young star, a subgiant and a normal star
• A Virgo high-resolution Halpha kinematical survey: I. NGC 4438
• GRB 110715A: The peculiar multiwavelength evolution of the first afterglow detected by ALMA
• SN 2015ba: A type IIP supernova with a long plateau
• Nebular and global properties of the gravitationally lensed galaxy "the 8 o'clock arc"
• Prospects for high-z cluster detections with Planck, based on a follow-up of 28 candidates using MegaCam@CFHT
• Radial Velocities of Three Poorly Studied Clusters and the Kinematics of Open Clusters
• GA-NIFS and EIGER: A merging quasar host at z=7 with an overmassive black hole
• Interactions between the large-scale radio structures and the gas in a sample of optically selected type 2 quasars
• The soft X-ray and narrow-line emission of Mrk573 on kiloparcec scales
• Probing into emission mechanisms of GRB 190530A using time-resolved spectra and polarization studies: Synchrotron Origin?
• The Host Galaxy and The Extended Emission-Line Region of The Radio Galaxy 3C 79
• A Multiwavelength view of IC 860: What Is in Action inside Quenching Galaxies
• Chemical enrichment and accretion of nitrogen-loud quasars
• Probing for the host galaxies of the fast X-ray transients XRT 000519 and XRT 110103
• Microlensing Constraints on Broad Absorption and Emission Line Flows in the Quasar H1413+117
• The old globular cluster system of the dIrr galaxy NGC1427A in the Fornax cluster
• Spatial field reconstruction with INLA: Application to IFU galaxy data
• Attenuation modified by DIG and dust as seen in M31
• MeerCRAB: MeerLICHT Classification of Real and Bogus Transients using Deep Learning
• Probing GRB environments with time variability: ULTRASPEC fast imaging of GRB 080210
• Calcium-rich Transient SN 2019ehk in A Star-Forming Environment: Yet Another Candidate for An Ultra-Stripped Envelope Supernova
• Extended Optical/NIR Observations of Type Iax Supernova 2014dt: Possible Signatures of a Bound Remnant
• Low Surface Brightness Galaxies around the HDF-S: II. Distances and volume densities
• Deep u*- and g-band Imaging of the Spitzer Space Telescope First Look Survey Field : Observations and Source Catalogs
• Physical Characterization of Main-Belt Comet (248370) 2005 QN173
• A Rapid Ionization Change in the Nebular-Phase Spectra of the Type Ia SN 2011fe
• Constraining the Disk Masses of the Class I Binary Protostar GV Tau
• The galaxy population of the z=1 cluster of galaxies MG2016+112
• SN2017jgh - A high-cadence complete shock cooling lightcurve of a SN IIb with the Kepler telescope
• H$\alpha$ Reverberation Mapping of the Intermediate-Mass Active Galactic Nucleus in NGC 4395
• Surveying Nearby Brown Dwarfs with HGCA: Direct Imaging Discovery of a Faint, High-Mass Brown Dwarf Orbiting HD 176535 A
• The Seoul National University AGN monitoring project. II. BLR size and black hole mass of two AGNs
• SN 2008gz - most likely a normal type IIP event
• Barium Surface Abundances of Blue Stragglers in the Open Cluster NGC 6819
• Abundances and kinematics of a candidate sub-damped Lyman-alpha galaxy toward PHL 1226
• Exploring Disk Galaxy Dynamics Using IFU Data
• The density of dark matter haloes of early-type galaxies in low-density environments
• Optical and near-infrared IFU spectroscopy of the nuclear region of the AGN-starburst galaxy NGC 7582
• The X-ray Emissivity of Low-Density Stellar Populations
• A Dissection of Spatially Resolved AGN Feedback across the Electromagnetic Spectrum
• Lyman continuum leakage in faint star-forming galaxies at redshift z=3-3.5 probed by gamma-ray bursts
• The Pre-He White Dwarfs in Eclipsing Binaries. I. WASP 0131+28
• WIYN Open Cluster Study LXXIX. M48 (NGC 2548) I. Radial Velocities, Rotational Velocities, and Metallicities of Stars in the Open Cluster M48 (NGC 2548)
• Intermediate Luminosity Type Iax SN 2019muj With Narrow Absorption Lines: Long-Lasting Radiation Associated With a Possible Bound Remnant Predicted by the Weak Deflagration Model
• Multiwavelength observations of the extraordinary accretion event AT2021lwx
• The MUSE Ultra Deep Field (MUDF). III. Hubble Space Telescope WFC3 Grism Spectroscopy and Imaging
• The Fast X-ray Transient XRT 210423 and its Host Galaxy
• On accretion in the eclipsing polar BS Tri
• A Comparison of Rest-frame Ultraviolet and Optical Emission-Line Diagnostics in the Lensed Galaxy SDSS J1723+3411 at Redshift z=1.3293
• Optical and Near-Infrared Observations of the Nearby Type Ia Supernova 2017cbv
• What Makes Ly$\alpha$ Nebulae Glow? Mapping the Polarization of LABd05
• Ensemble Properties of the White Dwarf Population of the Old, Solar Metallicity Open Star Cluster Messier 67
• Constraints on Cosmic-ray Acceleration Efficiency in Balmer Shocks of Two Young Type Ia Supernova Remnants in the Large Magellanic Cloud
• Testing connections between exo-atmospheres and their host stars. GEMINI-N/GMOS ground-based transmission spectrum of Qatar-1b
• The Environment of z >1 3CR Radio Galaxies and QSOs: From Proto-Clusters to Clusters of Galaxies?
• Dust and Ionized Gas Association in E/S0 Galaxies with Dust Lanes: Clues to their Origin
• Beryllium Abundances in Stars of One-Solar-Mass
• Stellar Populations in the Transition Region of Nuclear Star Cluster and Nuclear Stellar Disc
• The PAU survey: Estimating galaxy photometry with deep learning
• MALS-NOT: Identifying Radio-Bright Quasars for the MeerKAT Absorption Line Survey
• Near-infrared spectroscopic observations of massive young stellar object candidates in the Central Molecular Zone
• Low-Mass X-ray Binaries and Globular Clusters in Early-Type Galaxies. II. Globular Cluster Candidates and their Mass-Metallicity Relation
• The low dark matter content of the lenticular galaxy NGC 3998
• Detection of the Red Supergiant Wind from the Progenitor of Cassiopeia A
• SN 2016gsd: An unusually luminous and linear type II supernova with high velocities
• Exploring the optical behaviour of a type Iax supernova SN 2014dt
• Near infrared and optical continuum emission region size measurements in the gravitationally lensed quasars Q0957+561 and SBS0909+532
• Metallicities of Young Open Clusters I: NGC 7160 and NGC 2232
• An Independent Measurement of the Incidence of MgII Absorbers along Gamma-Ray Burst Sightlines: the End of the Mystery?
• Similarities and uniqueness of Ly$\alpha$ emitters among star-forming galaxies at z=2.5
• Keck spectroscopy of CLASS gravitational lenses
• AKARI Observation of the North Ecliptic Pole (NEP) Supercluster at z = 0.087: mid-infrared view of transition galaxies
• Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS. From extreme to normal
• Black Hole - Bulge Relationship of Post-Starburst Quasars at z \sim 0.3
• Direct-imaging Discovery of a Substellar Companion Orbiting the Accelerating Variable Star, HIP 39017
• Variability and the size-luminosity relation of the intermediate mass AGN in NGC 4395
• VLT/FLAMES-ARGUS observations of stellar wind--ISM cloud interactions in NGC 6357
• Deep optical spectroscopy of extended Lyman alpha emission around three radio-quiet z=4.5 quasars
• Chemical properties in the most distant radio galaxy
• GRANDMA Observations of ZTF/Fink Transients during Summer 2021
• A refined analysis of the low-mass eclipsing binary system T-Cyg1-12664
• Two new young, wide magnetic + non-magnetic double-degenerate binary systems
• Discovering Faint and High Apparent Motion Rate Near-Earth Asteroids Using A Deep Learning Program
• Simultaneous detection and analysis of optical and ultraviolet broad emission lines in quasars at z~2.2
• Spectropolarimetry of the changing-look active galactic nucleus Mrk 1018
• Constraints on accretion disk size in the massive type 1 quasar PG 2308+098 from optical continuum reverberation lags
• Spectroscopy of V341 Arae: A Nearby Nova-like Variable inside a Bow-Shock Nebula
• A panchromatic spatially resolved study of the inner 500 pc of NGC 1052 - I: Stellar population
• Constraints on the Compact Object Mass in the Eclipsing HMXB XMMU J013236.7+303228 in M33
• Bow-shocks, nova shells, disc winds and tilted discs: The Nova-Like V341 Ara Has It All
• GRB 070125 and the environments of spectral-line poor afterglow absorbers
• An $\mathrm{H}\alpha$ Imaging Survey of the Low Surface Brightness Galaxies Selected from the Spring Sky Region of the 40% ALFALFA HI Survey
• The off-centered Seyfert-like compact emission in the nuclear region of NGC 3621
• Spectro-polarimetry confirms central powering of a Ly$\alpha$ nebula at z=3.09
• HII Region Oxygen Abundances in Starbursting Transition Dwarf Galaxies
• Spectroscopic follow-up of variability-selected active galactic nuclei in the Chandra Deep Field South
• Optical detection of the black widow binary PSR J2052+1219
• Suppression of Low-mass Galaxy Formation around Quasars at z~2-3
• NGC 6845: metallicity gradients and star formation in a complex compact group
• WIYN Open Cluster Study LXXXV. Li in NGC 2243 -- Implications for Stellar and Galactic Evolution
• Evidence for a chemical enrichment coupling of globular clusters and field stars in the Fornax dSph
• The Mid-infrared View of Red Sequence Galaxies in Abell 2218 with AKARI
• Dynamical Mass of the Young Brown Dwarf Companion PZ Tel B
• A search for disk-galaxy lenses in the Sloan Digital Sky Survey
• Robotic Reverberation Mapping of Arp 151
• Polarimetric Properties of the Near--Sun Asteroid (155140) 2005 UD in Comparison with Other Asteroids and Meteoritic Samples
• Identification of High Mass X-ray Binaries selected from XMM-Newton observations of the LMC
• Galactic structure in the outer disk: the field in the line of sight to the intermediate-age open cluster Tombaugh 1
• Early-type Host Galaxies of Type Ia Supernovae. I. Evidence for Downsizing
• Hubble Space Telescope Images of Red Mergers: How Dry are They?
• Optical Spectra of Ultracool Dwarfs with the Southern African Large Telescope
• SN 2021adxl: A luminous nearby interacting supernova in an extremely low metallicity environment
• A Dynamical Study of Extraplanar Diffuse Ionized Gas in NGC 5775
• The WAGGS project -- III. Discrepant mass-to-light ratios of Galactic globular clusters at high metallicity
• Outer regions of the merging system Arp 270
• Euclid: Identification of asteroid streaks in simulated images using deep learning
• Connecting GRBs and galaxies: the probability of chance coincidence
• Reducing Systematic Error in Cluster Scale Weak Lensing
• The most luminous, merger-free AGN show only marginal correlation with bar presence
• High resolution near-infrared spectroscopy of a flare around the ultracool dwarf vB 10
• The Clusters Hiding in Plain Sight (CHiPS) survey: Complete sample of extreme BCG clusters
• Ultracool Dwarfs Observed with the Spitzer Infrared Spectrograph. I. An Accurate Look at the L-to-T Transition at $\sim$300 Myr from Optical through Mid-infrared Spectrophotometry
• Optical Emission Associated with the Galactic Supernova Remnant G179.0+2.6
• Mapping the Polarization of the Radio-Loud Ly$\alpha$ Nebula B3 J2330+3927
• Carbon Abundances of Three Carbon-Enhanced Metal-Poor Stars from High-Resolution Gemini-S/bHROS Spectra of the 8727A [C I] Line
• The redshift and the host galaxy of the neutrino candidate 4FGL J0955.1+3551 (3HSP J095507.9+355101)
• The H$\alpha$ Dots Survey. II. A Second List of Faint Emission-Line Objects
• The X-shooter Lens Survey - II. Sample presentation and spatially resolved kinematics
• Detection of Extraplanar Diffuse Ionized Gas in M83
• Long-slit Spectroscopy of Edge-on Low Surface Brightness Galaxies
• The Interaction of Supernova 2018evt with a Substantial Amount of Circumstellar Matter -- An SN1997cy-like Event
• Six Outbursts of Comet 46P/Wirtanen
• Morpho-kinematic properties of Wolf-Rayet planetary nebulae
• Light-Curve Structure and Halpha Line Formation in the Tidal Disruption Event AT 2019azh
• Gemini IFU, VLA and HST observations of the OH Megamaser galaxy IRASF23199+0123: the hidden monster and its outflow
• Dissecting the active galactic nucleus in Circinus -- III. VLT/FORS2 polarimetry confirms dusty cone illuminated by a tilted accretion disc
• A fast and portable Re-Implementation of Piskunov and Valenti's Optimal-Extraction Algorithm with improved Cosmic-Ray Removal and Optimal Sky Subtraction
• Automated SpectroPhotometric Image REDuction (ASPIRED)
• The challenging task of determining star formation rates: the case of a massive stellar burst in the brightest cluster galaxy of Phoenix galaxy cluster
• The nebular spectra of SN 2023ixf: A lower mass, partially stripped progenitor may be the result of binary interaction
• Hubble Space Telescope Detection of the Nucleus of Comet C/2014 UN${}_{271}$ (Bernardinelli-Bernstein)
• A Distance Estimate to the Cygnus Loop Based on the Distances to Two Stars Located Within the Remnant
• Using Optical Spectroscopy to Map the Geometry and Structure of the Irradiated Accretion Discs in Low-mass X-ray Binaries: The Pilot-Study of MAXI J0637$-$430
• Lessons from the massive relic NGC 1277: remaining in-situ star formation in the cores of massive galaxies
• The detailed nature of active central cluster galaxies
• Rest-frame ultra-violet spectra of massive galaxies at z=3: evidence of high-velocity outflows
• Evidence for shock-heated gas in the Taffy Galaxies and Bridge from Optical Emission-Line IFU spectroscopy
• Panning for gold, but finding helium: discovery of the ultra-stripped supernova SN2019wxt from gravitational-wave follow-up observations
• The fall of CSS100217: a tidal disruption-induced low state in an apparently hostless active galactic nucleus
• GECKO Optical Follow-up Observation of Three Binary Black Hole Merger Events: GW190408_181802, GW190412, and GW190503_185404
• On the evolution of the size of Lyman alpha halos across cosmic time: no change in the circumgalactic gas distribution when probed by line emission
• Extreme nature of four blue-excess dust-obscured galaxies revealed by optical spectroscopy
• Reverberation Mapping of PG 0934+013 with the Southern African Large Telescope
• Accelerated quenching and chemical enhancement of massive galaxies in a $z\sim 4$ gas-rich halo
• A systematic study of galactic outflows via fluorescence emission: implications for their size and structure
• Down-the-barrel observations of a multiphase quasar outflow at high redshift: VLT/X-shooter spectroscopy of the proximate molecular absorber at z=2.631 towards SDSS J001514+184212
• Large Scale Overdensity of Lyman Break Galaxies Around the z=6.3 Ultraluminous Quasar J0100+2802
• OGLE-SMC-LPV-00861 (LIN 9): the first proven Z And outburst in a Magellanic symbiotic star
• Optical spectroscopic classification of a selection of Southern Hemisphere Fermi-LAT unclassified blazars
• Spatially resolved observations of outflows in the radio loud AGN of UGC 8782
• A ~6 Mpc overdensity at z = 2.7 detected along a pair of quasar sight lines: filament or protocluster?
• UM 625 Revisited: Multiwavelength Study of A Seyfert 1 Galaxy with a Low-mass Black Hole
• Euclid: Identification of asteroid streaks in simulated images using StreakDet software
• Metal Abundances of KISS Galaxies. V. Nebular Abundances of Fifteen Intermediate Luminosity Star-Forming Galaxies
• Swift and SALT observations of the Multiple Outbursts of MAXI J1957+032
• Star formation and gas inflows in the OH Megamaser galaxy IRAS03056+2034
• Flame: A Flexible Data Reduction Pipeline for Near-Infrared and Optical Spectroscopy
• Crepuscular Rays from the Highly Inclined Active Galactic Nucleus in IC 5063
• HETDEX [OIII] Emitters I: A spectroscopically selected low-redshift population of low-mass, low-metallicity galaxies
• The Cluster-Scale Environment of PKS 2155-304
• O'TRAIN: a robust and flexible Real/Bogus classifier for the study of the optical transient sky
• HST/WFC3 Observations of an Off-Nuclear Superbubble in Arp 220
• Component masses of young, wide, non-magnetic white dwarf binaries in the SDSS DR7
• Taking a break: paused accretion in the symbiotic binary RT Cru
• Photometry and Polarimetry of 2010 XC${}_{15}$: Observational Confirmation of E-type Near-Earth Asteroid Pair
• Astronomical Camera Based on a CCD261-84 Detector with Increased Sensitivity in the Near-Infrared
• A Multi-Wavelength Analysis of NGC 4178: A Bulgeless Galaxy with an AGN
• Likelihood-Based Jump Detection and Cosmic Ray Rejection for Detectors Read Out Up-the-Ramp
• A Little Red Dot at $\mathbf{z}=7.3$ within a Large Galaxy Overdensity
• GA-NIFS: The highly overdense system BR1202-0725 at z $\sim$ 4.7. A double AGN with fast outflows plus eight companion galaxies
• The nuclear region of NGC 613. I -- Multiwavelength analysis
• The ultraviolet flare at the center of the elliptical galaxy NGC 4278
• Photometric and Spectroscopic Observations of GRB 190106A: Emission from Reverse and Forward Shocks with Late-time Energy Injection
• 3D Spectroscopy of Local Luminous Compact Blue Galaxies: Kinematic Maps of a Sample of 22 Objects
• Optical and near-infrared spectroscopy of the black hole transient 4U 1543-47 during its 2021 ultra-luminous state
• Detection of faculae in the transit and transmission spectrum of WASP-69b
• A multi-wavelength analysis of Spitzer selected Coma Cluster galaxies: star formation rates and masses
• WIYN Open Cluster Study. XC. Radial-velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 2506
• Extraplanar HII Regions in the edge-on Spiral Galaxies NGC 3628 and NGC 4522
• 2MASX J00423991+3017515: An offset active galactic nucleus in an interacting system
• On the diversity of strongly-interacting Type IIn supernovae
• AKARI/IRC source catalogues and source counts for the IRAC Dark Field, ELAIS North and the AKARI Deep Field South
• AutoSourceID-Light. Fast Optical Source Localization via U-Net and Laplacian of Gaussian
• The Burst Cluster: Dark Matter in a Cluster Merger Associated with the Short Gamma Ray Burst, GRB 050509B
• SN 2021fxy: Mid-Ultraviolet Flux Suppression is a Common Feature of Type Ia Supernovae
• The Tully-Fisher Relation in Cluster Cl0024+1654 at z=0.4
• Robotic reverberation mapping of the broad-line radio galaxy 3C 120
• Automatic Removal of Cosmic Ray Signatures on Deep Impact CCDs
• Determining the fraction of reddened quasars in COSMOS with multiple selection techniques from X-ray to radio wavelengths
• Near Infrared spectroscopic indices for unresolved stellar populations. I. Template galaxy spectra
• Near-UV and optical spectroscopy of comets using the ISIS spectrograph on the WHT
• Kinematics and physical properties of the nearby galaxy NGC 4656 and its TDG candidate
• Ionized gas in the starburst core and halo of NGC 1140
• Direct evidence of two-component ejecta in supernova 2016gkg from nebular spectroscopy
• The stellar content of the infalling molecular clump G286.21+0.17
• A massive white dwarf member of the Coma Berenices Open Cluster
• Optical follow-up study of 32 high-redshift galaxy cluster candidates from Planck with the William Herschel Telescope
• Constraining the escape fraction of ionizing photons from HII regions within NGC 300: A concept paper
• Two's company, three's a crowd: SALT reveals the likely triple nature of the nucleus of the extreme abundance discrepancy factor planetary nebula Sp 3
• Lack of close-in, massive planets of main-sequence A-type stars from Kepler
• Properties of the open cluster Tombaugh 1 from high resolution spectroscopy and uvbyCaH$\beta$ photometry
• The population of planetary nebulae near the Galactic centre: chemical abundances
• Life after eruption VIII: The orbital periods of novae
• Is the Cometary Nucleus Extraction Technique Reliable?
• Optical Observations of the Nearby Type Ia Supernova 2021hpr
• Multi-line assessment of narrow-line regions in $z\sim$ 3 radio galaxies
• Keck, Gemini, and Palomar 200-inch visible photometry of red and very-red Neptunian Trojans
• First optical identification of the SRG/eROSITA-detected supernova remnant G 116.6-26.1 I. Preliminary results
• Dust properties of the cometary globule Barnard 207 (LDN 1489)
• An old stellar population or diffuse nebular continuum emission discovered in green pea galaxies
• On the Binary Frequency of the Lowest Mass Members of the Pleiades with Hubble Space Telescope Wide Field Camera 3
• The open cluster King~1 in the second quadrant
• On the lensed blazar B0218+357
• G2C2 I: Homogeneous SDSS photometry for Galactic GCs
• Multiwavelength observations of V479 Andromedae: a close compact binary with an identity crisis
• Time-resolved Spectroscopy of the Polar EU Cancri in the Open Cluster Messier 67
• On the most luminous planetary nebulae of M31
• Cosmic Ray Removal in Fiber Spectroscopic Image
• The Measured Impact of Chromatic Atmospheric Effects on Barycentric Corrections: Results from the EXtreme PREcision Spectrograph
• Proximate molecular quasar absorbers: Chemical enrichment and kinematics of the neutral gas
• A VLT/FORS2 Narrowband Imaging Search for MgII Emission Around z ~ 0.7 Galaxies
• Detection of a double-peaked H$\alpha$ component from the accretion disc of NGC 4958
• GA-NIFS: Mapping $z\simeq 3.5$ AGN-driven ionized outflows in the COSMOS field
• CN Variations in NGC 7006
• The young nuclear stellar disc in the SB0 galaxy NGC 1023
• Gemini IFU, VLA, and HST observation of the OH Megamaser Galaxy IRAS17526+3253
• Exploring Spatially-Resolved Metallicities, Dynamics and Outflows in Low-Mass Galaxies at $z\sim 7.6$
• Compact stellar systems in the polar ring galaxies NGC 4650A and NGC 3808B: Clues to polar disk formation
• The Reactivation and Nucleus Characterization of Main-Belt Comet 358P/PANSTARRS (P/2012 T1)
• An $H\alpha$ Imaging Survey of the all (Ultra-)Luminous Infrared Galaxies at $Dec.\ge -30^{\circ }$ in the GOALS Sample
• The White Dwarf Companion of a 2 M_sun Neutron Star
• Photometric and proper motion study of neglected open cluster NGC 2215
• Shock-ionization in the Extended Emission-Line Region of 3C~305. The last piece of the (optical) puzzle
• Optical spectroscopy of type-2 LINERs
• VV 655 and NGC 4418: Implications of an interaction for the evolution of a LIRG
• Optical spectroscopy of type-2 LINERs
• Additional JWST/NIRSpec Transits of the Rocky M Dwarf Exoplanet GJ 1132 b Reveal a Featureless Spectrum
• Are many radio-selected BL Lacs radio quasars in disguise?
• A Massive, Dusty HI-Absorption-Selected Galaxy at $z\approx 2.46$ Identified in a CO Emission Survey
• 2D stellar population and gas kinematics of the inner kiloparsec of the post-starburst quasar SDSS J0330-0532
• The Host Galaxies and Narrow Line Regions of Four Double-Peaked [OIII] AGN
• The Lyman $\alpha$ Reference Sample XIV: Lyman $\alpha$ imaging of 45 low redshift star-forming galaxies and inferences on global emission
• SN 2015an: a normal luminosity type II supernova with low expansion velocity at early phases
• Discovery of a Very Large (~20 kpc) Galaxy at z=3.72
• Hα Dots: Direct-Method Metal Abundances of Low-Luminosity Star-Forming Systems
• Gemini Multi-Object Spectrograph Integral Field Unit Spectroscopy of the Double-peaked Broad Emission Line of a Red Active Galactic Nucleus
• The Autonomous Data Reduction Pipeline for the CUTE Mission
• Detection of Extensive Optical Emission from the Extremely Radio Faint Galactic Supernova Remnant G182.4+4.3
• Cleaning Images with Gaussian Process Regression
• Multiplexing Precision RVs: Searching for Close in Gas Giants in Open Clusters
• Tidal interaction, star formation and chemical evolution in blue compact dwarf galaxy Mrk 22
• Velocity-inverted three-dimensional distribution of the gas clouds in the Type 2 AGN NGC1068
• Dynamical Masses and Mass-to-light Ratios of Resolved Massive Star Clusters. I. NGC 419 and NGC 1846
• A spectroscopic map of the Galactic centre -- Observations and resolved stars
• The NGC 454 system: anatomy of a mixed on-going merger
• Using Cosmic Rays detected by HST as Geophysical Markers I: Detection and Characterization of Cosmic Rays
• Bowen emission from Aquila X-1: evidence for multiple components and constraint on the accretion disc vertical structure
• Discovery of a spatially and kinematically resolved 55~kpc-scale superbubble inflated by an intermediate redshift non-BAL quasar
• 10 Years of Archival High-Resolution NIR Spectra: The Raw and Reduced IGRINS Spectral Archive (RRISA)
• A polarimetric study of asteroids in comet-like orbits
• The PAU Survey: Narrow-band image photometry
• Close, bright and boxy: the superluminous SN 2018hti
• Light curve properties of SN 2017fgc and HV SNe Ia
• Optical spectroscopic characterization of Fermi blazar candidates of uncertain type with TNG and DOT: First Results
• The Discovery and Evolution of a Possible New Epoch of Cometary Activity by the Centaur (2060) Chiron
• Faint Stars in a Faint Galaxy: I. Ultra Deep Photometry of the Boötes I Ultra Faint Dwarf Galaxy
• TDCOSMO XVII. New time delays in 22 lensed quasars from optical monitoring with the ESO-VST 2.6m and MPG 2.2m telescopes
• Earthshine observations at high spectral resolution: Exploring and detecting metal lines in the Earth's upper atmosphere
• The Host Galaxies of Hybrid Morphology Radio Sources
• Properties of Type Iax Supernova 2019muj in the Late Phase: Existence, Nature and Origin of the Iron-rich Dense Core
• New Velocity Measurements of NGC 5128 Globular Clusters out to 130 kpc: Outer Halo Kinematics, Substructure and Dynamics
• Double nuclei in NGC 908 and NGC 1187
• Multiple giant eruptions and X-ray emission in the recoiling AGN/LBV candidate SDSS1133
• Analysis of the WN star WR 102c, its WR nebula, and the associated cluster of massive stars in the Sickle Nebula
• The DIVING${}^{3D}$ Survey -- Deep IFS View of Nuclei of Galaxies -- I. Definition and Sample Presentation
• A possible surviving companion of the SN Ia in the Galactic SNR G272.2-3.2
• LBT/ARGOS adaptive optics observations of z$\sim 2$ lensed galaxies
• Searching for optical companions to four binary millisecond pulsars with the Gran Telescopio Canarias
• The black widow pulsar J1641+8049 in the optical, radio and X-rays
• Properties of Stellar Populations in Isolated Lenticular Galaxies
• Accurate fundamental parameters and distance to a massive early-type eclipsing binary in the Danks 2 cluster
• Antlia Dwarf Galaxy: Distance, quantitative morphology and recent formation history via statistical field correction
• Simultaneous Multicolor Photometry of the DESTINY${}^{+}$ target asteroid (3200) Phaethon
• A Calibration of NICMOS Camera 2 for Low Count-Rates
• DIISC-II: Unveiling the Connections between Star Formation and ISM in the Extended Ultraviolet Disk of NGC 3344
• Optical study of the polar BM CrB in low accretion state
• SN 2020zbf: A fast-rising hydrogen-poor superluminous supernova with strong carbon lines
• DIISC-I: The Discovery of Kinematically Anomalous HI Clouds in M 100
• Noise reduction on single-shot images using an autoencoder
• A hot bubble at the centre of M81
• Optical and near-infrared spectroscopy of quasars at $z>6.5$: public data release and composite spectrum
• An HST Transmission Spectrum of the Closest M-Dwarf Transiting Rocky Planet LTT 1445Ab
• Long orbital period pre-polars containing an early K-type donor stars. Bottleneck accretion mechanism in action
• A 100-pc Scale, Fast and Dense Outflow in Narrow-Line Seyfert 1 Galaxy IRAS04576+0912
• Clues on Arp 142: The Spiral-Elliptical merger
• The Lyman-alpha and Continuum Origins Survey. I. Survey description and Ly$\alpha$ imaging
• NGC 6744 - A nearby Milky Way twin with a very low-luminosity AGN
• Cloudy mornings and clear evenings on a gas giant exoplanet
• SN 2016B a.k.a ASASSN-16ab: a transitional type II supernova
• A Sub-Damped Ly$\alpha$ Absorber with Unusual Abundances: Evidence of Gas Recycling in a Low-Redshift Galaxy Group
• An Expanded Chemo-dynamical Sample of Red Giants in the Bar of the Large Magellanic Cloud
• High-Contrast Imaging of Intermediate-Mass Giants with Long-Term Radial Velocity Trends
• The DIVING${}^{3D}$ Survey - Deep IFS View of Nuclei of Galaxies - III. Analysis of the nuclear region of the early-type galaxies of the sample
• Detection of Late-Time Optical Emission from SN 1941C in NGC 4136
• Hot Star Extension to the Hubble Space Telescope Stellar Spectral Library
• Dynamical analysis of the cluster pair: A3407 + A3408
• On Collision Course: The Nature of the Binary Star Cluster NGC 2006 / SL 538
• Discovery of a Low-Redshift Damped Ly$\alpha$ System in a Foreground Extended Disk Using a Starburst Galaxy Background Illuminator
• A deep narrowband survey for planetary nebulae at the outskirts of M33
• Multiple MgII Absorption Systems in the Lines of Sight to Quadruply Lensed Quasar H1413+1143
• Active Galactic Nuclei signatures in Red Geyser galaxies from Gemini GMOS-IFU observations
• The 10830 Angstrom Helium Line Among Evolved Stars in the Globular Cluster M4
• Direct Method Gas Phase Oxygen Abundances of 4 Lyman Break Analogs
• Dynamics and star formation activity of CG J1720-67.8 unveiled through integral field spectroscopy and radio observations
• The Circumgalactic H$\alpha$ Spectrograph (CH$\alpha$S) I. Design, Engineering, and Early Commissioning
• WIYN Open Cluster Study. LXXI. Spectroscopic Membership and Orbits of NGC 6791 Sub-Subgiants
• A star-forming dwarf galaxy candidate in the halo of NGC 4634
• ASTROPOP: the ASTROnomical POlarimetry and Photometry pipeline
• Co-evolution of Nuclear Rings, Bars and the Central Intensity Ratio of their Host Galaxies
• HETDEX Pilot Survey. VI. [OIII] Emitters and Expectations for a Local Sample of Star Forming Galaxies in HETDEX
• Measuring the stellar population parameters of the early-type galaxy NGC 3923 -- The challenging measurement of the initial mass function
• The Lockman-SpReSO project. Description, target selection, observations and preliminary results
• The extended narrow-line region of two type-I quasi-stellar objects
• The bright long-lived Type II SN 2021irp powered by aspherical circumstellar material interaction (I): Revealing the energy source with photometry and spectroscopy
• The Lyman-alpha and Continuum Origins Survey II: the connection between the escape of ionizing radiation and Lyman-alpha halos in star-forming galaxies
• 2D stellar population and gas kinematics of the inner 1.5 kpc of the post-starburst quasar SDSS J0210-0903
• Monster radio jet (>66 kpc) observed in quasar at z$\sim$5
• A Spectroscopic Analysis of a Sample of K2 Planet-Host Stars: Stellar Parameters, Metallicities and Planetary Radii
• GPU-based framework for detecting small Solar System bodies in targeted exoplanet surveys
• Polarimetry of the potential binary supermassive black hole system in J1430+2303
• Optical Structure and Evolution of the Arp 104 Interacting Galaxy System
• Spectroscopic monitoring of the candidate tidal disruption event in F01004-2237
• An Oxford SWIFT Integral Field Spectroscopy study of 14 early-type galaxies in the Coma cluster
• Confirmation of the planetary nebula nature of HaTr 5. Not the remnant of Nova Sco 1437
• Optical Spectroscopy of Dual Quasar Candidates from the Subaru HSC-SSP program
• A New Method For Robust High-Precision Time-Series Photometry From Well-Sampled Images: Application to Archival MMT/Megacam Observations of the Open Cluster M37
• Major mergers with small galaxies - the discovery of a Magellanic-type galaxy at z=0.12
• Multiwavelength characterisation of an ACT-selected, lensed dusty star-forming galaxy at z=2.64
• Lyman-$\alpha$ emission from a WISE-selected optically faint powerful radio galaxy M151304.72-252439.7 at $z$ = 3.132
• A white dwarf bound to the transiting planetary system WASP-98
• The H$\alpha$ Dots Survey. IV. A Fourth List of Faint Emission-Line Objects
• PTF1 J085713+331843, a new post common-envelope binary in the orbital period gap of cataclysmic variables
• Galaxy Evolution in the Cluster Abell 85: New Insights from the Dwarf Population
• Discovery and characterization of a dense sub-Saturn TOI-6651b
• Eruptive mass loss less than a year before the explosion of superluminous supernovae: I. The cases of SN 2020xga and SN 2022xgc
• A search for Ly-alpha emitters around a concentrated-region of strong Ly-alpha absorbers at z=2.3
• Variability and transient search in the SUDARE-VOICE field: a new method to extract the light curves
• Investigating the Core Morphology-Seyfert Class relationship with Hubble Space Telescope Archival Images of local Seyfert galaxies
• An independent determination of the distance to supernova SN 1987A by means of the light echo AT 2019xis
• Constraining Cosmology with Double-source-plane Strong Gravitational Lenses from the AGEL Survey
• Tuning the Legacy Survey of Space and Time (LSST) Observing Strategy for Solar System Science: Incremental Templates in Year 1
• The Hubble Legacy Archive ACS Grism Data
• The OmegaWhite Survey for Short-Period Variable Stars IV: Discovery of the warm DQ white dwarf OW J175358.85-310728.9
• IFU observations of the inner 200 pc of NGC 4546: gas rotation, non-circular motions and ionised outflows
• Two Hyperbolic Baldheads in the Solar System: 2017 U7 and 2018 C2
• Rotation state, colors, and albedo of the mission-accessible tiny near-Earth asteroid 2001 QJ${}_{142}$
• Ground and space-based study of two globular cluster CVs: M22 CV1 and M5 V101
• MUSE Analysis of Gas around Galaxies (MAGG) -- VI. The cool and enriched gas environment of z$\gtrsim$3 Ly$\alpha$ emitters
• Kinematics of Circumgalactic O VI Gas and Disk Rotation of $z\approx 0.2$ Star-forming Galaxies
• lightcurver: A Python Pipeline for Precise Photometry of Multiple-Epoch Wide-Field Images
• Bridging the Gap: OPTICAM Reveals the Hidden Spin of the WZ Sge Star GOTO 065054.49+593624.51
• Cosmic Ray Rejection with Attention Augmented Deep Learning
• Multi-band optical variability of a newly discovered twelve blazars sample from 2013-2019
• Optical spectroscopy of star-forming regions in dwarf Wolf-Rayet galaxies
• A catalogue of nuclear stellar velocity dispersions of nearby galaxies from H$\alpha$ STIS spectra to constrain supermassive black hole masses
• Host Galaxy Line Diagnostics for the Candidate Tidal Disruption Events XMMSL1 J111527.3+180638 and PTF09axc
• Star formation and black hole accretion activity in rich local clusters of galaxies
• Searching for exotic object companions in the dense core of NGC 362: a multi-wavelength and multi-epoch photometric analysis
• Oxygen abundance distributions in six late-type galaxies based on SALT spectra of HII regions
• The substellar population in Corona Australis
• pyTANSPEC: A Data Reduction Package for TANSPEC
• Is Fornax 4 the nuclear star cluster of the Fornax dwarf spheroidal galaxy?
• The Hubble Space Telescope's near-UV and optical transmission spectrum of Earth as an exoplanet
• Fragment Dynamics in Active Asteroid 331P/Gibbs
• SRGe2149+6736 -- the new candidate to AM~Her type variables discovered by eROSITA telescope on "Spectrum--Roentgen--Gamma" orbital observatory
• The [OIII] profiles of far-infrared active and non-active optically-selected green valley galaxies
• Digging deeper into NGC\,6868 I: stellar population
• Software design for panoramic astronomical pipeline processing
• Varying linear polarisation in the dust-free GRB 210610B
• SRGe J194401.8+284452 -- an X-ray Cataclysmic Variable in the Field of the Gamma-Ray Source 4FGL J1943.9+2841
• A closer look at NGC 7314 nuclear region: a multiwavelength analysis of the Seyfert nucleus and its surroundings
• VISIONS: The VISTA Star Formation Atlas -- II. The data processing pipeline
• Detection of extragalactic magnetic massive stars
• Characterising EP241107a: Multiwavelength Observations of an Einstein Probe-detected Fast X-ray Transient
• The Nature of the Young Supernova Remnant S8 in the Dwarf Galaxy IC 1613
• Searching for evidence of jet-cloud interaction in radio galaxies. First results for 3C 381
• Serendipitous discovery of a projected pair of QSOs separated by 4.5 arcsec on the sky
• A Tale of Three Dust Populations: Variable $R_{\mathrm{V}}$ and Extreme Polarization Along Sightlines Toward $\zeta$ Ophiuchi
• Detection of an optical filament in the Monogem Ring
• Multi-epoch spectro-photometric characterization of the minimoon 2024 PT${}_5$ in the visible and near-infrared
• Stellar parameters for stars of the CoRoT exoplanet field
• Unveiling the nature of the Einstein Probe transient EP 241021a
• 2MASS J04435686+3723033 B: A Young Companion at the Substellar Boundary with Potential Membership in the $\beta$ Pictoris Moving Group
• Photometric and Spectroscopic Analysis of the SX Phe Star BL Cam
• The Spectroscopy and H-band Imaging of Virgo cluster galaxies (SHIVir) Survey: Data Catalogue and Kinematic Profiles
• Multi-Object and Long-Slit Spectroscopy of Very Low Mass Brown Dwarfs in Orion Nebular Cluster
• An Imaging Search for Post-Main-Sequence Planets of Sirius B
• Kinematics of Stellar Populations in Post-Starburst Galaxies
• Deep CFHT Y-band imaging of VVDS-F22 field: I. data products and photometric redshifts
• Long-term monitoring of a dynamically new comet C/2020 V2 (ZTF)
• KIC 10417986: Spectroscopic confirmation of the nature of the binary system with a δ Scuti component
• Persistent nuclear burning in Nova Sgr 2016 N.4 (= V5856 Sgr = ASASSN-16ma) six years past its outburst
• UV Absorption by Silicate Cloud Precursors in Ultra-hot Jupiter WASP-178b
• GRB 180728A and SN 2018fip: the nearest high-energy cosmological gamma-ray burst with an associated supernova
• Identification and characterization of optical companions to the population of millisecond pulsars in the globular cluster M3
• A first look at quasar-galaxy clustering at $z\simeq 7.3$
• Serendipitous discovery of a physical binary quasar at z=1.76
• A Massive Gas Outflow Outside the Line-of-Sight: Imaging Polarimetry of the Blue Excess Hot Dust Obscured Galaxy W0204-0506
• Star formation in low density HI gas around the Elliptical Galaxy NGC2865
• Differential Proper-Motion Measurements of The Cygnus Egg Nebula: The Presence of Equatorial Outflow
• AT2020ohl: its nature and probable implications
• Detecting the early optical flashes of gamma-ray bursts with small telescope arrays
• Searches for Extremely Metal Poor Galaxies using ALFALFA-selected Dwarf Galaxies
• Disentangling the nature of the prototype radio weak BL Lac: Contemporaneous multifrequency observations of WISE J141046.00 + 740511.2
• Stellar populations in central cluster galaxies: the influence of cooling flows
• The emission-line regions in the nucleus of NGC 1313 probed with GMOS-IFU: a supergiant/hypergiant candidate and a kinematically cold nucleus
• Quantifying the dust in SN 2012aw and iPTF14hls with ORBYTS
• Likely optical counterpart of the cool middle-aged pulsar J1957+5033
• Spectra of faint sources in crowded fields with FRODOSpec on the Liverpool Robotic Telescope
• Spectroscopy of the massive interacting binary UU Cassiopeiae
• San Pedro Martir observations of microvariability in obscured quasars
• Keck/ESI Long-slit Spectroscopy of SBS 1421+511: A Recoiling Quasar Nucleus in An Active Galaxy Pair?
• Linking Compact Dwarf Starburst Galaxies in the RESOLVE Survey to Downsized Blue Nuggets
• Photometric and spectroscopic observations of the neglected near-contact binary Cl* Melotte 111 AV 1224
• Spectroscopic and Photometric Study of the new $\delta$ Scuti Star ASAS J063309+1810.8
• Eruptive mass loss less than a year before the explosion of superluminous supernovae. II. A systematic search for pre-explosion eruptions with VLT/X-shooter
• Hubble Space Telescope Observations of Tadpole Galaxies Kiso 3867, SBS0, SBS1, and UM461
• V5856 Sagittarii/2016: Broad Multi-Epoch Spectral Coverage of a Sustained High Luminosity Nova
• StraKLIP: A novel pipeline for detection and characterization of close-in faint companions through Karhunen-Loêve Image Processing algorithm
• Digging deeper into NGC 6868 II: ionized gas and excitation mechanism
• A photo-ionized canopy for the shock-excited Criss-Cross Nebula
• Are all post-starbursts mergers? HST reveals hidden disturbances in the majority of PSBs
• The Gaia Ultracool Dwarf Sample -- IV. GTC/OSIRIS optical spectra of Gaia late-M and L dwarfs
• Close binary central stars and the abundance discrepancy - new extreme objects
• Spectropolarimetry of the Type Ia SN 2019ein rules out significant global asphericity of the ejecta
• Unraveling the Lyman Continuum Emission of Ion3: Insights from HST multi-band imaging and X-Shooter spectroscopy
• A Comprehensive Multiwavelength Study of the OH Megamaser galaxy IRAS 09320+6134
• Revisiting the BE99 method for the study of outflowing gas in protostellar jets
• The Princeton Variability Survey
• The near infrared airglow continuum conundrum. Constraints for ground-based faint object spectroscopy
• Multi-wavelength variability analysis of the blazar S5 0716+714 during a long-lasting period of low activity
• Oxford SWIFT IFS and multi-wavelength observations of the Eagle galaxy at z=0.77
• The Sloan Digital Sky Survey Reverberation Mapping Project: UV-Optical Accretion Disk Measurements with Hubble Space Telescope
• Spectral Evolution and Photo-ionization Analysis of Nova Cas 2020 (V1391 Cas)
• Studying the black widow pulsars PSR J0312$-$0921 and PSR J1627$+$3219 in the optical and X-rays
• Characterization of the Cherenkov Photon Background for Low-Noise Silicon Detectors in Space
• An imaging polarimetry survey of Type Ia supernovae: are peculiar extinction and polarization properties produced by circumstellar or interstellar matter?
• ESO 137-002: a large spiral undergoing edge-on ram-pressure stripping with little star formation in the tail
• AllBRICQS: The Discovery of Luminous Quasars in the Northern Hemisphere
• Ionized Gas Outflows and Shock-Heated Emission in the Highly Inclined Active Galaxy CGCG 012-070
• Accretion Kinematics in the T Tauri Binary TWA 3A: Evidence for Preferential Accretion onto the TWA 3A Primary
• Gravitational Torques from a Lopsided Young Stellar Component Sustain High Black Hole Accretion Rates in NGC 4593
• VLT spectropolarimetry of comet 67P: Dust environment around the end of its intense Southern summer
• GRB 160410A: the first Chemical Study of the Interstellar Medium of a Short GRB
• SN 2024hpj: A perspective on SN 2009ip-like events
• Investigating the Effects of Point Source Injection Strategies on KMTNet Real/Bogus Classification
• GA-NIFS: AGN activity in a Lyα emitter within a triple-AGN system anchored by a passive galaxy at z=3
• The nearby He-rich superluminous supernova SN 2021bnw during photospheric phases
• Understanding the origin of early-type dwarfs: The spectrophotometric study of CGCG014-074
• The Tarantula massive binary monitoring VII. The nature of the eccentric O+BH binary candidate VFTS 812
• Exploring the gaseous halos of z>3 radio galaxies with UVES and JWST/NIRSpec
• Chemical Abundance Analysis of Moving Group W11450 (Latham 1)
• When Stars Mimic Monsters: Spectral Evidence for an $\eta$ Carinae-like Giant Eruption in SBS 0335$-$052 E
• Non-detection of Helium in the upper atmospheres of TRAPPIST-1b, e and f
• Search of Intermediate Mass Black Holes at Low Redshift with Intra-night Variability
• Constraining the geometry of the gas surrounding a typical galaxy at $z=3.4$ with Ly$\alpha$ polarization
• Trigonometric parallaxes of two T dwarfs with Keck and ShaneAO astrometry
• TOI-7154b: A Close-in Massive Brown Dwarf in an Eccentric Orbit
• An Efficient Shift-and-Stack Algorithm Applied to Detection Catalogs
• Implication of a galaxy-scale negative feedback by one of the most powerful multi-phase outflows in a hyper-luminous infrared galaxy at the intermediate redshift
• Ultraviolet Spectroscopy and TARDIS Models of the Broad-lined Type-Ic Supernova 2014ad
• Resolved properties of a luminous "hinge clump" in the compact group of galaxies NGC\,6845
• Background Intensity Estimation for Cassini-ISS Image Using Deep Learning-Based Diffusion Model
• Evaluating the efficacy of a data cube treatment procedure for kinematic analyses: application to NGC 3115 and NGC 4699