Astrometric Calibration of the Sloan Digital Sky Survey

Abstract

The astrometric calibration of the Sloan Digital Sky Survey is described. For point sources brighter than r ~ 20 the astrometric accuracy is 45 milliarcseconds (mas) rms per coordinate when reduced against the USNO CCD Astrograph Catalog, and 75 mas rms when reduced against Tycho-2, with an additional 20 - 30 mas systematic error in both cases. The rms errors are dominated by anomalous refraction and random errors in the primary reference catalogs. The relative astrometric accuracy between the r filter and each of the other filters (u g i z) is 25 - 35 mas rms. At the survey limit (r ~ 22), the astrometric accuracy is limited by photon statistics to approximately 100 mas rms for typical seeing. Anomalous refraction is shown to contain components correlated over two or more degrees on the sky.

47 pages, 24 figures (1 color), accepted by The Astronomical Journal

References in corpus (1)

• The USNO-B Catalog

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• Bispectrum and Nonlinear Biasing of Galaxies: Perturbation Analysis, Numerical Simulation and SDSS Galaxy Clustering
• A Large, Uniform Sample of X-ray Emitting AGN from the ROSAT All-Sky and Sloan Digital Sky Surveys: the Data Release 5 Sample
• Exploring the Local Milky Way: M Dwarfs as Tracers of Galactic Populations
• Hot DB White Dwarfs from the Sloan Digital Sky Survey
• Ensemble Properties of Comets in the Sloan Digital Sky Survey
• A Large, Uniform Sample of X-ray Emitting AGN: Selection Approach and an Initial Catalog from the ROSAT All-Sky and Sloan Digital Sky Surveys
• Virgo cluster early-type dwarf galaxies with the Sloan Digital Sky Survey. IV. The color-magnitude relation
• The Weak Lensing Signal and the Clustering of BOSS Galaxies I: Measurements
• The BOSS Lyman-alpha Forest Sample from SDSS Data Release 9
• Characteristic QSO Accretion Disk Temperatures from Spectroscopic Continuum Variability
• The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
• Hyper Suprime-Cam Year 3 Results: Cosmology from Galaxy Clustering and Weak Lensing with HSC and SDSS using the Minimal Bias Model
• Halo streams in the 7th SDSS data release
• SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22.5 Arcseconds
• Type II-P Supernovae from the SDSS-II Supernova Survey and the Standardized Candle Method
• Stream-orbit misalignment II: A new algorithm to constrain the Galactic potential
• Hip 63510C, Hip 73786B, and nine new isolated high proper motion T dwarf candidates from UKIDSS DR6 and SDSS DR7
• Cross-correlation of CMB with large-scale structure: weak gravitational lensing
• Cross-correlations as a cosmological carbon monoxide detector
• Magnetic White Dwarfs from the SDSS II. The Second and Third Data Releases
• A Second Stellar Color Locus: a Bridge from White Dwarfs to M stars
• Chandra X-ray Detection of the High-Magnetic-Field Radio Pulsar PSR J1718-3718
• The slight spin of the old stellar halo
• Ultracompact AM CVn Binaries from the Sloan Digital Sky Survey: Three Candidates Plus the First Confirmed Eclipsing System
• Active Galactic Nuclei in Void Regions
• A Large Sample of BL Lacs from SDSS and FIRST
• Luminosity dependence of the spatial and velocity distributions of galaxies: Semi-analytic models versus the Sloan Digital Sky Survey
• Discovery of Two Gravitationally Lensed Quasars with Image Separations of 3 Arcseconds from the Sloan Digital Sky Survey
• Constraining Gravity at the Largest Scales through CMB Lensing and Galaxy Velocities
• Cosmic Cartography of the Large-Scale Structure with Sloan Digital Sky Survey Data Release 6
• Cataclysmic Variables from SDSS VII. The Seventh Year (2006)
• Sensitive observations at 1.4 and 250 GHz of z > 5 QSOs
• Three-point Correlation Functions of SDSS Galaxies in Redshift Space: Morphology, Color, and Luminosity Dependence
• Transformation of Morphology and Luminosity Classes of the SDSS Galaxies
• GALEX far-UV color selection of UV-bright high-redshift quasars
• Detections of the 2175 ÅDust Feature at 1.4z 1.5 from the Sloan Digital Sky Survey
• Milky Way Tomography IV: Dissecting Dust
• A First Look at White Dwarf - M Dwarf Pairs in the Sloan Digital Sky Survey (SDSS)
• The Morphological Butcher-Oemler effect in the SDSS Cut&Enhance Galaxy Cluster Catalog
• Statistical Properties of the GALEX/SDSS matched source catalogs, and classification of the UV sources
• Actively Star Forming Elliptical Galaxies at Low Redshifts in the Sloan Digital Sky Survey
• Lithium-Rich Field Giants in the Sloan Digital Sky Survey
• Photometric redshift requirements for lens galaxies in galaxy-galaxy lensing analyses
• Cross-correlating Planck CMB lensing with SDSS: Lensing-lensing and galaxy-lensing cross-correlations
• Faint High-Latitude Carbon Stars Discovered by the Sloan Digital Sky Survey: An Initial Catalog
• Three-Point Correlation Functions of SDSS Galaxies: Luminosity and Color Dependence in Redshift and Projected Space
• An Orbit Fit for the Grillmair Dionatos Cold Stellar Stream
• A Spectroscopic Survey of Faint Quasars in the SDSS Deep Stripe: I. Preliminary Results from the Co-added Catalog
• An Infrared High Proper Motion Survey Using 2MASS and SDSS: Discovery of M, L and T Dwarfs
• Stellar Populations of Elliptical Galaxies in the Local Universe
• Using the Galactic Dynamics of M7 Dwarfs to Infer the Evolution of Their Magnetic Activity
• The growth of luminous red galaxies by merging
• Intrinsic alignments of BOSS LOWZ galaxies II: Impact of shape measurement methods
• Where are the Luminous Red Galaxies (LRGs)? Using correlation measurements and lensing to relate LRGs to dark matter halos
• Constraining the Projected Radial Distribution of Galactic Satellites with the Sloan Digital Sky Survey
• Probabilistic multi-catalogue positional cross-match
• A New Giant Stellar Structure in the Outer Halo of M31
• Cosmic Web Reconstruction through Density Ridges: Method and Algorithm
• A Study of Catalogued Nearby Galaxy Clusters in the SDSS-DR4: I. Cluster Global Properties
• Cosmological constraints from galaxy-lensing cross correlations using BOSS galaxies with SDSS and CMB lensing
• Testing adiabatic contraction with SDSS elliptical galaxies
• Topology of structure in the Sloan Digital Sky Survey: model testing
• Stellar Population Variations in the Milky Way's Stellar Halo
• Search for CII Emission on Cosmological Scales at Redshift Z~2.6
• The H alpha Luminosity Function of Morphologically Classified Galaxies in the Sloan Digital Sky Survey
• New Close Binary Systems from the SDSS-I (Data Release Five) and the Search for Magnetic White Dwarfs in Cataclysmic Variable Progenitor Systems
• Discovery of New Ultracool White Dwarfs in the Sloan Digital Sky Survey
• Sloan Digital Sky Survey III Photometric Quasar Clustering: Probing the Initial Conditions of the Universe using the Largest Volume
• Galaxy Activity in Merging Binary Galaxy Clusters
• The Bright End of the Luminosity Function of Red Sequence Galaxies
• The kinematics of late type stars in the solar cylinder studied with SDSS data
• X-ray Insights into the Nature of Weak Emission-Line Quasars at High Redshift
• The Sloan Digital Sky Survey: The Cosmic Spectrum and Star-Formation History
• Study of galaxies in the Lynx-Cancer void. I. Sample description
• SDSS J0903+5028: A New Gravitational Lens
• The SDSS u-band Galaxy Survey: Luminosity functions and evolution
• Morphological Classification of Galaxies using Photometric Parameters: the Concentration index versus the Coarseness parameter
• A Simple Likelihood Method for Quasar Target Selection
• Cosmic Web Reconstruction through Density Ridges: Catalogue
• Panchromatic Properties of 99,000 Galaxies Detected by SDSS, and (some by) ROSAT, GALEX, 2MASS, IRAS, GB6, FIRST, NVSS and WENSS Surveys
• The UNAM-KIAS Catalog of Isolated Galaxies
• GALEX-SDSS Catalogs for Statistical Studies
• What triggers galaxy transformations? The environments of post-starburst galaxies
• The Structure of the Sagittarius Stellar Stream as Traced by Blue Horizontal Branch Stars
• A Detailed Model Atmosphere Analysis of Cool White Dwarfs in the Sloan Digital Sky Survey
• Characterizing a Dramatic $\Delta V\sim -9$ Flare on an Ultracool Dwarf Found by the ASAS-SN Survey
• Non-detection of a statistically anisotropic power spectrum in large-scale structure
• A bright off-nuclear X-ray source: A bright off-nuclear X-ray source: a type IIn supernova, a bright ULX or a recoiling super-massive black hole in CXO J122518.6+144545
• Correlations of Quasar Optical Spectra with Radio Morphology
• Numerical Color-Magnitude Diagram Analysis of SDSS Data and Application to the New Milky Way satellites
• Intrinsic alignments in redMaPPer clusters -- I. Central galaxy alignments and angular segregation of satellites
• X-Ray-Emitting Stars Identified from the ROSAT All-Sky Survey and the Sloan Digital Sky Survey
• A Systematic Search for High Surface Brightness Giant Arcs in a Sloan Digital Sky Survey Cluster Sample
• Variable Faint Optical Sources Discovered by Comparing POSS and SDSS Catalogs
• A search for the most massive galaxies: Double Trouble?
• Precision cluster mass determination from weak lensing
• Systematic effects in large-scale angular power spectra of photometric quasars and implications for constraining primordial nongaussianity
• Estimation of galactic model parameters in high latitudes with SDSS
• Supernova Progenitors, Their Variability, and the Type IIP Supernova ASASSN-16fq in M66
• Bivariate Galaxy Luminosity Functions in the Sloan Digital Sky Survey
• A Survey of CN and CH Variations in Galactic Globular Clusters from SDSS Spectroscopy
• Photometric Redshift Probability Distributions for Galaxies in the SDSS DR8
• Evolution of the Colour--Radius Relation and the Morphology--Radius Relation in the SDSS Galaxy Clusters
• The Radio Properties of Type 2 Quasars
• The UV Properties of SDSS Selected Quasars
• Galaxy Orbits for Galaxy Clusters in Sloan Digital Sky Survey and 2dF Galaxy Redshift Survey
• A Serendipitous XMM Survey of the SDSS: the evolution of the colour-magnitude diagram of X-ray AGN from z=0.8 to z=0.1
• The Mass Function of Void Galaxies in the SDSS Data Release 2
• Acceleration and Substructure Constraints in a Quasar Outflow
• The HST/ACS Coma Cluster Survey. II. Data Description and Source Catalogs
• Morphological Classification of Galaxies by Shapelet Decomposition in the Sloan Digital Sky Survey
• Testing gravity on large scales by combining weak lensing with galaxy clustering using CFHTLenS and BOSS CMASS
• The Sloan Digital Sky Survey Quasar Lens Search. IV. Statistical Lens Sample from the Fifth Data Release
• A Mismatch in the Ultraviolet Spectra between Low-Redshift and Intermediate-Redshift Type Ia Supernovae as a Possible Systematic Uncertainty for Supernova Cosmology
• Precision Measurements of the Cluster Red Sequence using an Error Corrected Gaussian Mixture Model
• Post common envelope binaries from the SDSS. VI. SDSS J120615.73+510047.0: a new low accretion rate magnetic binary
• SDSS J0246-0825: A New Gravitationally Lensed Quasar from the Sloan Digital Sky Survey
• The Composite Spectrum of BOSS Quasars Selected for Studies of the Lyman-alpha Forest
• SDSS J115517.35+634622.0: A Newly Discovered Gravitationally Lensed Quasar
• Spatially Offset Active Galactic Nuclei I: Selection and Spectroscopic Properties
• Improved optical mass tracer for galaxy clusters calibrated using weak lensing measurements
• The Small-scale Clustering of Luminous Red Galaxies via Cross-Correlation Techniques
• SDSS J1335+0118: A New Two-Image Gravitational Lens
• Photometric characterization of a well defined sample of isolated galaxies in the context of the AMIGA project
• Spatially Resolved Galaxy Star Formation and its Environmental Dependence I
• Radial and 2D Colour Properties of E+A Galaxies
• The Luminosity, Colour and Morphology dependence of galaxy filaments in the Sloan Digital Sky Survey Data Release Four
• A Balmer-line Broad Absorption Line Quasar
• The Large Quasar Reference Frame (LQRF) - an optical representation of the ICRS
• Study of galaxies in the Lynx-Cancer void. -- III. New extreme LSB dwarf galaxies
• Hypervelocity Star Candidates in the SEGUE G & K Dwarf Sample
• Candidate Disk Wide Binaries in the Sloan Digital Sky Survey
• The fall of the Northern Unicorn: Tangential motions in the Galactic Anti-centre with SDSS and Gaia
• SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey
• Average Properties of a Large Sample of z_abs ~ z_em associated Mg II Absorption Line Systems
• Photometric redshifts and K-corrections for Sloan Digital Sky Survey Seven Data Release
• Host galaxies of SNe Ic-BL with and without long gamma-ray bursts
• Constraining the Baryon-Dark Matter Relative Velocity with the Large-Scale 3-Point Correlation Function of the SDSS BOSS DR12 CMASS Galaxies
• Relativistic distortions in the large-scale clustering of SDSS-III BOSS CMASS galaxies
• Testing General Relativity with Growth rate measurement from Sloan Digital Sky Survey III Baryon Oscillations Spectroscopic Survey galaxies
• The SDSS Coadd: A Galaxy Photometric Redshift Catalog
• zBootes : z-band Photometry in the NOAO Deep Wide-Field Survey Bootes Field
• A Pan-STARRS1 study of the relationship between wide binarity and planet occurrence in the Kepler field
• Detection of intrinsic cluster alignments to 100 Mpc/h in the SDSS
• Two Additions to the New Class of Low Accretion-Rate Magnetic Binaries
• Luminosity Functions of Type Ia Supernovae and their Host Galaxies from the Sloan Digital Sky Survey
• Five New High-Redshift Quasar Lenses from the Sloan Digital Sky Survey
• A comparative study of optical/ultraviolet variability of narrow-line Seyfert 1 and broad-line Seyfert 1 active galactic nuclei
• HI Selected Galaxies in the Sloan Digital Sky Survey I: Optical Data
• Optical-radio positional offsets for active galactic nuclei
• Ultraluminous Infrared Galaxies in the AKARI All Sky Survey
• IC 225: a dwarf elliptical galaxy with a peculiar blue core
• SDSS J092609.45+334304.1: a nearby unevolved galaxy
• Quantitative Morphology of Galaxies from the SDSS I: Luminosity in Bulges and Disks
• Constraining the initial conditions of the Universe using large scale structure
• A Catalog of Very Isolated Galaxies from the SDSS Data Release 1
• Alignment of Brightest Cluster Galaxies with their Host Clusters
• The nature of the bright ULX X-2 in NGC3921: a Chandra position and HST candidate counterpart
• VLT+UVES Spectroscopy of the CaII LoBAL Quasar SDSS J030000.56+004828.0
• Detection of three Gamma-Ray Burst host galaxies at $z\sim 6$
• The radial distribution of type Ia supernovae in early-type galaxies: implications for progenitor scenarios
• A Photometric Metallicity Estimate of the Virgo Stellar Overdensity
• Detection of Intergalactic HeII Absorption at Redshift 3.5
• Astrometric Redshifts for Quasars
• Insight Into the Formation of the Milky Way Through Cold Halo Substructure. III. Statistical Chemical Tagging in the Smooth Halo
• A Wide-Field View of Leo II -- A Structural Analysis Using the SDSS
• Eight New Quasar Lenses from the Sloan Digital Sky Survey Quasar Lens Search
• Discovery of Four Gravitationally Lensed Quasars from the Sloan Digital Sky Survey
• Extinction in Star-Forming Disk Galaxies from Inclination-Dependent Composite Spectra
• Hubble Advanced Camera for Surveys Observations of the z=6.42 Quasar SDSS 1148+5251: A Leak in the Gunn-Peterson Trough
• Candidate Isolated Neutron Stars and Other Optically Blank X-ray Fields Identified from the ROSAT All-Sky and Sloan Digital Sky Surveys
• Model Atmosphere Analysis of the Weakly Magnetic DZ White Dwarf G165-7
• The Vertical Metallicity Gradient of the Milky Way Disk: Transitions in [a/Fe] Populations
• Broadband Optical Properties of Massive Galaxies: the Dispersion Around the Field Galaxy Color-Magnitude Relation Out to z~0.4
• A High Yield of New Sightlines for the Study of Intergalactic Helium: Far-UV-Bright Quasars from SDSS, GALEX, and HST
• Modelling narrow-line regions of active galaxies in the Sloan Digital Sky Survey - I.Sample selection and physical conditions
• SDSSJ102111.02+491330.4: A Newly Discovered Gravitationally Lensed Quasar
• Spectral Variability of Quasars in the Sloan Digital Sky Survey. II: The C IV Line
• Maximum Likelihood Fitting of Tidal Streams With Application to the Sagittarius Dwarf Tidal Tails
• Merging Galaxies in the SDSS EDR
• The effect of FIR emission from SDSS galaxies on the SFD Galactic extinction map
• Statistical Analysis of H I Profile Asymmetry and Shape for Nearby Galaxies
• Additional Ultracool White Dwarfs Found in the Sloan Digital Sky Survey
• The age-redshift relation for Luminous Red Galaxies in the Sloan Digital Sky Survey
• The UV, Optical, and IR Properties of SDSS Sources Detected by GALEX
• 2MASS J01542930+0053266 : A New Eclipsing M-dwarf Binary System
• Color Dependence in the Spatial Distribution of Satellite Galaxies
• New UltraCool and Halo White Dwarf Candidates in SDSS Stripe 82
• Insight Into the Formation of the Milky Way Through Cold Halo Substructure. II. The Elemental Abundances of ECHOS
• The proper motion of Palomar 5
• Infrared Luminosity Functions of AKARI-SDSS Galaxies
• The Optical and Near-Infrared Properties of 2837 Quasars in the UKIRT Infrared Deep Sky Survey (UKIDSS)
• Mapping the Local Halo: Statistical Parallax Analysis of SDSS Low-Mass Subdwarfs
• The V1647 Ori (IRAS 05436-0007) Protostar and its Environment
• The Rate of Type Ia Supernovae at z~0.2 from SDSS-I Overlapping Fields
• Two New Gravitationally Lensed Double Quasars from the Sloan Digital Sky Survey
• Discovery of a Gravitationally Lensed Quasar from the Sloan Digital Sky Survey: SDSS J133222.62+034739.9
• Two More Candidate AM Canum Venaticorum (AM CVn) Binaries from the Sloan Digital Sky Survey
• Large Scale Clustering of Sloan Digital Sky Survey Quasars: Impact of the Baryon Density and the Cosmological Constant
• Characterisation of Sloan Digital Sky Survey Stellar Photometry
• Properties of Disks and Bulges of Spiral and Lenticular Galaxies in the Sloan Digital Sky Survey
• A Catalog of Host Galaxies for WISE-Selected AGN: Connecting Host Properties with Nuclear Activity and Identifying Contaminants
• A Nearby Old Halo White Dwarf Candidate from the Sloan Digital Sky Survey
• Luminous Red Galaxy Population in Clusters at $0.2\le z\le 0.6$
• Fourier Phase Analysis of SDSS Galaxies
• Mass models and environment of the new quadruply lensed quasar SDSS J1330+1810
• SLoWPoKES-II: 100,000 Wide Binaries Identified in SDSS without Proper Motions
• SDSS Observations of Kuiper Belt Objects: Colors and Variability
• Old-Population Hypervelocity Stars from the Galactic Center: Limits from the SDSS
• E+A and Companion Galaxies - I : A Catalogue and Statistics
• A Trio of Massive Black Holes Caught in the Act of Merging
• Halo Occupation Distribution Modeling of Green Valley Galaxies
• The near-IR properties and continuum shapes of high redshift quasars from the Sloan Digital Sky Survey
• Cross-Correlation of the Extragalactic Gamma-ray Background with Luminous Red Galaxies
• Subtraction of Bright Point Sources from Synthesis Images of the Epoch of Reionization
• Spatial Variations of Galaxy Number Counts in the Sloan Digital Sky Survey. II. Test of Galactic Extinction in High Extinction Regions
• Search for primordial non-Gaussianity in the quasars of SDSS-III BOSS DR9
• The metallicity distributions in high-latitudes with SDSS
• Wolf-Rayet Galaxies in the Sloan Digital Sky Survey: the metallicity dependence of the initial mass function
• The soft X-ray properties of quasars in the Sloan Digital Sky Survey
• Lensing Probabilities for Spectroscopically Selected Galaxy-Galaxy Strong Lenses
• Evolution of the Galaxy Luminosity Function at z < 0.3
• Extremely faint high proper motion objects from SDSS stripe 82 - Optical classification spectroscopy of about 40 new objects
• A Chandra observation of the z=2.285 galaxy FSC10214+4724: Evidence for a Compton-thick quasar?
• Photometric Cross-Calibration of the SDSS Stripe 82 Standard Stars catalogue with Gaia EDR3, and Comparison with Pan-STARRS1, DES, CFIS and GALEX catalogues
• The Milky Way's stellar halo - lumpy or triaxial?
• Interacting galaxies: co-rotating and counter-rotating systems with tidal tails
• SDSS-III Baryon Oscillation Spectroscopic Survey: Analysis of Potential Systematics in Fitting of Baryon Acoustic Feature
• Hunting The Most Distant Stars in the Milky Way: Methods and Initial Results
• Candidate spectroscopic binaries in the Sloan Digital Sky Survey
• High resolution near-infrared imaging of submillimeter galaxies
• Carbon-enhanced Metal-poor Stars in SDSS/SEGUE. II. Comparison of CEMP Star Frequencies with Binary Population Synthesis Models
• A Sample of Candidate Radio Stars in FIRST and SDSS
• The Sloan Nearby Cluster Weak Lensing Survey
• A New Quadruply Lensed Quasar: SDSSJ125107.57+293540.5
• The Galaxy Cross-Correlation Function as a Probe of the Spatial Distribution of Galactic Satellites
• An Off-Nucleus Nonstellar Black Hole in the Seyfert Galaxy NGC 5252
• 2006 SQ372: A Likely Long-Period Comet from the Inner Oort Cloud
• Evolution of environment dependent galaxy properties in the Sloan Digital Sky Survey
• Quasar-Galaxy Clustering through Projected Galaxy Counts at z=0.6-1.2
• Distant White Dwarfs in the US Naval Observatory Flagstaff Station Parallax Sample
• The Transparency of Galaxy Clusters
• In Pursuit of LSST Science Requirements: A Comparison of Photometry Algorithms
• Ten More New Sightlines for the Study of Intergalactic Helium, and Hundreds of Far-UV-Bright Quasars, from SDSS, GALEX, and HST
• Enhancing the H2O Megamaser Detection Rate Using Optical and Mid-infrared Photometry
• HI Selected Galaxies in the Sloan Digital Sky Survey II: The Colors of Gas-Rich Galaxies
• Detection of spatial correlations of fundamental plane residuals, and cosmological implications
• SDSS J094604.90+183541.8: A Gravitationally Lensed Quasar at z=4.8
• Seeing in the dark -- I. Multi-epoch alchemy
• Towards a fully consistent Milky Way disc model - II. The local disc model and SDSS data of the NGP region
• The Micro-Arcsecond Scintillation-Induced Variability (MASIV) Survey III. Optical Identifications and New Redshifts
• The Late-Type Extension to MoVeRS (LaTE-MoVeRS): Proper motion verified low-mass stars and brown dwarfs from SDSS, 2MASS, and WISE
• UKIDSS detections of cool brown dwarfs - proper motions of 14 known $>$T5 dwarfs and discovery of three new T5.5-T6 dwarfs
• Probing Spectroscopic Variability of Galaxies & Narrow-Line Active Galactic Nuclei in the Sloan Digital Sky Survey
• Fundamental Plane of BOSS galaxies: Correlations with galaxy properties, density field and impact on RSD measurements
• Galaxy triplets in Sloan Digital Sky Survey Data Release 7: II. A connection with compact groups?
• Deep u*- and g-band Imaging of the Spitzer Space Telescope First Look Survey Field : Observations and Source Catalogs
• Chandra X-ray and Hubble Space Telescope Imaging of Optically Selected Kiloparsec-Scale Binary Active Galactic Nuclei II: Host Galaxy Morphology and AGN Activity
• Estimation of Galactic model parameters with the SDSS and metallicity distribution in two fields in the anti-centre direction of the Galaxy
• Spatial Variations of Galaxy Number Counts in the SDSS I.: Extinction, Large-Scale Structure and Photometric Homogeneity
• Nitrogen Production in Starburst Galaxies Detected by GALEX
• Morphological classification of galaxies and its relation to physical properties
• Precovery of near-Earth asteroids by a citizen-science project of the Spanish Virtual Observatory
• Morphological Classification of Galaxies by Shapelet Decomposition in the Sloan Digital Sky Survey II: Multiwavelength Classification
• Sloan/Johnson-Cousins/2MASS Color Transformations for Cool-Stars
• Resolved Spectroscopy of M Dwarf/L Dwarf Binaries. III. The "Wide" L3.5/L4 Dwarf Binary 2MASS J15500845+1455180AB
• The star formation history and chemical evolution of star forming galaxies in the nearby universe
• Discovery of Four Doubly Imaged Quasar Lenses from the Sloan Digital Sky Survey
• The Effect of Variability on the Estimation of Quasar Black Hole Masses
• Quasars probing quasars X: The quasar pair spectral database
• SUBARU and e-Merlin observations of NGC3718. Diaries of an SMBH recoil?
• Statistical Characterization of the Chandra Source Catalog
• Are galaxies with AGN a transition population?
• Evolution of the Most Massive Galaxies to z ~ 0.6: II. The link between radio AGN activity and star formation
• Properties of the most metal-poor gas-rich LSB dwarf galaxies SDSS J0015+0104 and J2354-0005 residing in the Eridanus void
• Spectroscopic Determination of the Low Redshift Type Ia Supernova Rate from the Sloan Digital Sky Survey
• The statistical properties of galaxy morphological types in compact groups of Main galaxies from the SDSS Data Release 4
• The Orbit and Origin of the Ultra-faint Dwarf Galaxy Segue 1
• Topology of Luminous Red Galaxies from the Sloan Digital Sky Survey
• Improved photometry of SDSS crowded field images: Structure and dark matter content in the dwarf spheroidal galaxy Leo I
• The Search for Binary Supermassive Black Holes Amongst Quasars with Offset Broad Lines Using the Very Long Baseline Array
• The Color Selection of Quasars from Redshifts 5 to 10: Cloning and Discovery
• Motion Verified Red Stars (MoVeRS): A Catalog of Proper Motion Selected Low-mass Stars from WISE, SDSS, and 2MASS
• Nature and completeness of galaxies detected in the Two Micron All Sky Survey
• The nature of the SDSS galaxies in various classes based on morphology, colour and spectral features - II. Multi-wavelength properties
• A Study of the Point Spread Function in SDSS Images
• A Lyman-alpha-only AGN from the Sloan Digital Sky Survey
• The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: higher-order correlations revealed by germ-grain Minkowski Functionals
• Binary Contamination in the SEGUE sample: Effects on SSPP Determinations of Stellar Atmospheric Parameters
• Measuring the luminosity and virial black hole mass dependence of quasar-galaxy clustering at z ~ 0.8
• Multiband Probabilistic Cataloging: A Joint Fitting Approach to Point Source Detection and Deblending
• The formation of bulges and black holes: lessons from a census of active galaxies in the SDSS
• The Age-Redshift Relation For Luminous Red Galaxies Obtained From the Full Spectrum Fitting and Its Cosmological Implications
• The ensemble optical variability of type-1 AGN in the Sloan Digital Sky Survey Data Release 7
• The Invisible AGN Catalogue: A Mid-Infrared - Radio Selection Method for Optically-Faint Active Galactic Nuclei
• The Galaxy Stellar Mass Function and Low Surface Brightness Galaxies from Core-Collapse Supernovae
• Deep Astrometric Standards (DAS) and Galactic Structure
• The SDSS Discovery of a Strongly Lensed Post-Starburst Galaxy at z=0.766
• The local environmental dependence of galaxy properties in the volume-limited sample of Main Galaxies from the SDSS Data Release 5
• Improved Photometric Calibrations for Red Stars Observed with the SDSS Photometric Telescope
• XMM-Newton and optical follow-up observations of three new polars from the Sloan Digital Sky Survey
• Galaxy triplets in Sloan Digital Sky Survey Data Release 7 - III. Analysis of Configuration and Dynamics
• A Search for Planetary Nebulae With the SDSS: the outer regions of M31
• Analyzing Baryon Acoustic Oscillations in Sparse Spectroscopic Samples via Cross-Correlation with Dense Photometry
• Source Matching in the SDSS and RASS: Which Galaxies are Really X-ray Sources?
• A Precision Photometric Comparison between SDSS-II and CSP Type Ia Supernova Data
• Color-Induced Displacement double stars in SDSS
• On the multiplicity of ALMA Compact Array counterparts of far-infrared bright quasars
• SDSS J210014.12+004446.0: A New Dwarf Nova with Quiescent Superhumps?
• On the importance of astronomical refraction for modern Solar astrometric measurements
• A Quasar Without Broad Lyman-alpha Emission
• Detection of Far Infrared Emission from Galaxies and Quasars in the Galactic Extinction Map by Stacking Analysis
• Using Close White Dwarf + M Dwarf Stellar Pairs to Constrain the Flare Rates in Close Stellar Binaries
• Relativistic Effects on Galaxy Redshift Samples due to Target Selection
• Probing supermassive black hole growth and its dependence on stellar mass and star-formation rate in low-redshift galaxies
• SDSS J133401.39+331534.3: A New Subarcsecond Gravitationally Lensed Quasar
• The quasar-galaxy cross SDSS J1320+1644: A probable large-separation lensed quasar
• Performance analysis of the Least-Squares estimator in Astrometry
• VLT + UVES Spectroscopy of the Low-Ionization Intrinsic Absorber in SDSS J001130.56+005550.7
• Proper motion measurements for stars up to $100$ kpc with Subaru HSC and SDSS Stripe 82
• A Catalog of Distance Determinations for the LAMOST DR8 K Giants in the Galactic Halo
• Current star formation in early-type galaxies and the K+A phenomenon
• The Southern Flanking Fields of the 25 Orionis Group
• The Circumgalactic Medium of Submillimeter Galaxies. II. Unobscured QSOs within Dusty Starbursts and QSO Sightlines with Impact Parameters below 100 Kiloparsec
• Measuring the undetectable: Proper motions and parallaxes of very faint sources
• An Optical-UV-IR Survey of the North Celestial Cap: I. The Catalogue
• A rapidly declining transient discovered with Subaru/Hyper Suprime-Cam
• Completeness - I. Revised, reviewed and revived
• All-sky angular power spectra from cleaned WISE$\times$SuperCOSMOS galaxy number counts
• Photometric Accretion Signatures Near the Substellar Boundary
• Finding binary active galactic nuclei candidates by the centroid shift in imaging surveys II. Testing the method with SDSS J233635.75-010733.7
• Quantifying the Colour-Dependent Stochasticity of Large-Scale Structure
• First XMM-Newton study of two Narrow-Line Seyfert 1 galaxies discovered in the Sloan Digital Sky Survey
• SDSS Pre-Burst Observations of Recent Gamma-Ray Burst Fields
• The VST ATLAS Quasar Survey I: Catalogue
• Deep learning-based astronomical multimodal data fusion: A comprehensive review
• The Worst Distortions of Astrometric Instruments and Orthonormal Models for Rectangular Fields of View
• SDSSJ103913.70+533029.7: A Super Star Cluster in the Outskirts of a Galaxy Merger
• Modeling the anomaly of surface number densities of galaxies on the Galactic extinction map due to their FIR emission contamination
• A Search for Radio Gravitational Lenses, Using the Sloan Digital Sky Survey and the Very Large Array
• An Improved Photometric Calibration of the Sloan Digital Sky Survey Imaging Data
• Probabilistic Cross-Identification of Galaxies with Realistic Clustering
• Accurate positions for the ULXs NGC 7319-X4 and NGC 5474-X1 and limiting magnitudes for their optical counterparts
• The Large Synoptic Survey Telescope and Milky Way Science
• Keck/Deimos Spectroscopy of a GALEX UV Selecte Sample from the Medium Imaging Survey
• 1 um Excess Sources in the UKIDSS - I. Three T Dwarfs in the SDSS Southern Equatorial Stripe
• Forced Measurement of Astronomical Sources at Low Signal to Noise
• The environment of QSO triplets at 1 $\lesssim$ z $\lesssim$ 1.5
• Discovery of a dwarf planet candidate in an extremely wide orbit: 2017 OF201
• Statistical Properties of Blue Horizontal Branch Stars in the Spheroid: Detection of a Moving Group approximately 50 kpc from the Sun
• The Sloan Digital Sky Survey DR7 Spectroscopic M Dwarf Catalog II: Statistical Parallax Analysis
• Image Stacking Analysis of SDSS Galaxies with AKARI Far-Infrared Surveyor Maps at 65μm, 90μm, and 140μm
• CO Observations of a FeLoBAL Quasar with an H alpha Absorption Line at z=2.3
• Robust detection of CID double stars in SDSS
• Exploring the Variable Sky with LINEAR. I. Photometric Recalibration with SDSS
• Extreme variability quasars from the Sloan Digital Sky Survey and the Dark Energy Survey
• Exploring the Variable Sky with the Sloan Digital Sky Survey