The GMRT 150 MHz All-sky Radio Survey: First Alternative Data Release TGSS ADR1

Abstract

We present the first full release of a survey of the 150 MHz radio sky, observed with the Giant Metrewave Radio Telescope between April 2010 and March 2012 as part of the TGSS project. Aimed at producing a reliable compact source survey, our automated data reduction pipeline efficiently processed more than 2000 hours of observations with minimal human interaction. Through application of innovative techniques such as image-based flagging, direction-dependent calibration of ionospheric phase errors, correcting for systematic offsets in antenna pointing, and improving the primary beam model, we created good quality images for over 95 percent of the 5336 pointings. Our data release covers 36,900 square degrees (or 3.6 pi steradians) of the sky between -53 deg and +90 deg DEC, which is 90 percent of the total sky. The majority of pointing images have a background RMS noise below 5 mJy/beam with an approximate resolution of 25" x 25" (or 25" x 25" / cos (DEC - 19 deg) for pointings south of 19 deg DEC). We have produced a catalog of 0.62 Million radio sources derived from an initial, high reliability source extraction at the 7 sigma level. For the bulk of the survey, the measured overall astrometric accuracy is better than 2" in RA and DEC, while the flux density accuracy is estimated at ~10 percent. Within the scope of the TGSS ADR project, the source catalog as well as 5336 mosaic images (5 deg x 5 deg) and an image cutout service, are made publicly available online as a service to the astronomical community. Next to enabling a wide range of different scientific investigations, we anticipate that these survey products provide a solid reference for various new low-frequency radio aperture array telescopes (LOFAR, LWA, MWA, SKA-low), and can play an important role in characterizing the EoR foreground. The TGSS ADR project aims at continuously improving the quality of the survey data products.

29 pages, 27 figures. Accepted for publication in A&A. Data products available via http://tgssadr.strw.leidenuniv.nl/

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• A Semi-blind PCA-based Foreground Subtraction Method for 21 cm Intensity Mapping
• The LOFAR Tied-Array All-Sky Survey (LOTAAS): Characterization of 20 pulsar discoveries and their single-pulse behavior
• J1615+5452: a remnant radio galaxy in the ELAIS-N1 field
• JVLA 1.5GHz continuum observation of CLASH clusters I: radio properties of the BCGs
• uGMRT observations of the hot-Saturn WASP 69b: Radio-Loud Exoplanet-Exomoon Survey II (RLEES II)
• The search for radio emission from exoplanets using LOFAR beam-formed observations: Jupiter as an exoplanet
• Scintillation can explain the spectral structure of the bright radio burst from SGR 1935+2154
• On the nature of LOFAR RMs and new constraints on magnetic fields in cosmic filaments and on magnetogenesis scenarios
• Calibration Requirements for Epoch of Reionization 21-cm signal observations -- I. Effect of time-correlated gains
• Explaining Excess Dipole in NVSS Data Using Superhorizon Perturbation
• The Expanded Giant Metrewave Radio Telescope
• Pushing subarcsecond resolution imaging down to 30 MHz with the trans-European International LOFAR Telescope
• A new look at old friends. I. Imaging classical radio galaxies with uGMRT and MeerKAT
• Constraining the Radio Properties of the $z$=6.44 QSO VIK J2318$-$3113
• Wide-Band Spectral Variability of Peaked Spectrum Sources
• Evolutionary Map of the Universe (EMU):Compact radio sources in the SCORPIO field towards the Galactic plane
• The study of the angular and spatial distribution of radio selected AGNs and star-forming galaxies in the ELAIS N1 field
• The LOFAR view of NGC 3998, a sputtering AGN
• Search for X/Z-shaped radio sources from TGSS ADR 1
• Observations by GMRT at 323 MHz of radio-loud quasars at $z>5$
• PKS 2250$-$351: A Giant Radio Galaxy in Abell 3936
• A pilot ASKAP survey for radio transients towards the Galactic Centre
• A low frequency sub-arcsecond view of powerful radio galaxies in rich-cluster environments: 3C 34 and 3C 320
• A Search for Pulsars in Steep Spectrum Radio Sources
• Chandra Observations of High Energy X-ray Sources Discovered by INTEGRAL
• RAD@home citizen science discovery of an AGN spewing a large unipolar radio bubble onto its merging companion galaxy
• Barbell-shaped giant radio galaxy with ~100 kpc kink in the jet
• LoTSS/HETDEX: Disentangling star formation and AGN activity in gravitationally-lensed radio-quiet quasars
• LOFAR Detection of a Low-Power Radio Halo in the Galaxy Cluster Abell 990
• Relic jet activity in "Hanny's Voorwerp" revealed by the LOFAR Two metre Sky Survey
• The Panchromatic Afterglow of GW170817: The full uniform dataset, modeling, comparison with previous results and implications
• FIRST J153350.8+272729: the radio afterglow of a decades-old tidal disruption event
• A Polarimetric Study of 9 PG Quasars with the VLA
• Search and characterization of remnant radio galaxies in the XMM$-$LSS deep field
• The galaxy power spectrum from TGSS ADR1 and the effect of flux calibration systematics
• An Off-Axis Galaxy Cluster Merger: Abell 0141
• Tailed Radio Galaxies from the TIFR GMRT Sky Survey
• Multiwavelength constraints on the unidentified Galactic TeV sources HESS J1427$-$608, HESS J1458$-$608, and new VHE $\gamma$-ray source candidates
• Stringent constraint on the radio signal from dark matter annihilation in dwarf spheroidal galaxies using the TGSS
• Multifrequency study of a double-double radio galaxy J0028+0035
• The first detection of a low-frequency turnover in nonthermal emission from the jet of a young star
• The spectacular cluster chain Abell 781 as observed with LOFAR, GMRT, and XMM-Newton
• Radio Variable and Transient Sources on Minute Timescales in the ASKAP Pilot Surveys
• The radio structure of the peculiar narrow-line Seyfert 1 galaxy candidate J1100+4421
• A GMRT 150 MHz Search for Variables and Transients in Stripe 82
• Results of a systematic search for outburst events in 1.4 million galaxies
• The LOFAR Two-metre Sky Survey: Deep Fields Data Release 2. I. The ELAIS-N1 field
• MeerKAT follow-up of enigmatic GLEAM 4-Jy (G4Jy) sources
• FLASH Pilot Survey: Detections of associated 21 cm HI absorption in GAMA galaxies at 0.42 < z <1.00
• Low frequency radio continuum imaging and SED modeling of 11 LIRGs: radio-only and FUV to radio bands
• A Combined Radio Multi-Survey Catalog of Fermi Unassociated Sources
• Signatures of multiple episodes of AGN activity in the core of Abell 1795
• The Murchison Widefield Array Transients Survey (MWATS). A search for low frequency variability in a bright Southern hemisphere sample
• Particle acceleration in low-power hotspots: modelling the broad-band spectral energy distribution
• Search for low-frequency diffuse radio emission around a shock in the massive galaxy cluster MACS J0744.9+3927
• The RATAN-600 multi-frequency catalogue of blazars -- BLcat
• Discovery of large-scale diffuse radio emission in low-mass galaxy cluster Abell 1931
• Interplanetary Scintillation studies with the Murchison Wide-field Array III: Comparison of source counts and densities for radio sources and their sub-arcsecond components at 162 MHz
• Improved upper limits on the 21-cm signal power spectrum at $z=17.0$ and $z=20.3$ from an optimal field observed with NenuFAR
• Galaxy power spectrum and biasing results from the LOFAR Two-metre Sky Survey (first data release)
• Search for hybrid morphology radio galaxies from FIRST survey at 1400 MHz
• Non-thermal filaments and AGN recurrent activity in the galaxy group Nest200047: a LOFAR, uGMRT, MeerKAT, VLA radio spectral analysis
• Characterization of unresolved and unclassified sources detected in radio continuum surveys of the Galactic plane
• Two Extreme Steep-Spectrum, Polarized Radio Sources Towards the Galactic Bulge
• X-ray Emission of the $\gamma$-ray Loud Young Radio Galaxy NGC 3894
• LOFAR 144-MHz follow-up observations of GW170817
• A new method for finding and characterizing galaxy groups via low-frequency radio surveys
• Revisiting the alignment of radio galaxies in the ELAIS-N1 field
• A matched-filter approach to radio variability and transients: searching for orphan afterglows in the VAST Pilot Survey
• Low-frequency GMRT observations of ultra-cool dwarfs
• Probing the non-thermal physics of stellar bow shocks using radio observations
• Flux-density measurements of the high-redshift blazar PSO J047.4478+27.2992 at 4.7 and 8.2 GHz with RATAN-600
• A powerful (and likely young) radio-loud quasar at z=5.3
• Constraints on the composition, magnetization, and radiative efficiency in jet of blazar
• The Impact of the CMB on the Evolution of high-z Blazars
• On the detection of multiple shock fronts in A1914 using deep Chandra X-ray observations
• Tracing low-mass galaxy clusters with radio relics: the discovery of Abell 3527-bis
• A VLA-GMRT Look at 11 Powerful FR II Quasars
• An Image-based Tapered Gridded Estimator (ITGE) for the angular power spectrum
• Probing the origin of diffuse radio emission in the cool-core of the Phoenix galaxy cluster
• Discovery of a Pulsar Wind Nebula around B0950+08 with the ELWA
• Tracing the Evolution of Ultraluminous Infrared Galaxies into Radio Galaxies with Low Frequency Radio Observations
• Search for and Identification of Young Compact Galactic Supernova Remnants Using THOR
• uGMRT detection of cluster radio emission in low-mass Planck~SZ clusters
• Local alignments of parsec-scale AGN radiojets
• Study of the equatorial ionosphere using the Giant Metrewave Radio Telescope (GMRT) at sub-GHz frequencies
• Interactions between the jet and disk wind in a nearby radio intermediate quasar III Zw 2
• A census of compact sources at 162MHz: first data release from the MWA Phase II IPS Survey
• A cross-correlation analysis of CMB lensing and radio galaxy maps
• A two-sided but significantly beamed jet in the supercritical accretion quasar IRAS F11119+3257
• A radio structure resolved at the deca-parsec scale in radio-quiet quasar PDS 456 with an extremely powerful X-ray outflow
• Stormy weather in 3C 196.1: nuclear outbursts and merger events shape the environment of the hybrid radio galaxy 3C 196.1
• The XXL Survey: XXXIV. Double irony in XXL-North. A tale of two radio galaxies in a supercluster at z = 0.14
• Cosmic dance in the Shapley Concentration Core - I. A study of the radio emission of the BCGs and tailed radio galaxies
• La Freccia Rossa: An IR-dark cloud hosting the Milky Way intermediate-mass black hole candidate
• Probing particle acceleration in Abell 2256: from to 16 MHz to gamma rays
• J2102+6015: a young radio source at z = 4.575
• Comparing extragalactic megahertz-peaked spectrum and gigahertz-peaked spectrum sources
• High-redshift quasars at $z\ge 3$: radio variability and MPS/GPS candidates
• Reaching thermal noise at ultra-low radio frequencies: the Toothbrush radio relic downstream of the shock front
• Gamma-ray and Synchrotron Radiation from Dark Matter annihilations in Ultra-faint Dwarf Galaxies
• Differences in radio emission from similar M dwarfs in the binary system Ross 867-8
• Exploring the properties of low-frequency radio emission and magnetic fields in a sample of compact galaxy groups using the LOFAR Two-Metre Sky Survey (LoTSS)
• A new enigmatic radio relic in the low mass cluster Abell 2108
• Discovery and characterization of 25 new quasars at 4.6 < z < 6.9 from wide-field multi-band surveys
• VLBI Imaging of high-redshift galaxies and protoclusters at low radio frequencies with the International LOFAR Telescope
• Spectral modelling of Cygnus A between 110 and 250 MHz. Impact on the LOFAR 21-cm signal power spectrum
• Discovery of a circularly symmetric extended diffuse radio emission around an elliptical galaxy with the VLA FIRST survey
• Impact of extragalactic point sources on the low-frequency sky spectrum and cosmic dawn global 21-cm measurements
• Characterization of the decametre sky at subarcminute resolution
• Exploring Earth's Ionosphere and its effect on low radio frequency observation with the uGMRT and the SKA
• A study on the Clustering Properties of Radio-Selected sources in the Lockman Hole Region at 325 MHz
• Unveiling The Origin of Peculiar Diffuse Radio Emission in Abell 1351
• Remnant radio galaxy candidates of small angular sizes
• Radio properties of Green Pea galaxies
• The Cassiopeia Filament: A Blown Spur of the Local Arm
• The host galaxies of radio-loud quasars at z>5 with ALMA
• Multi-wavelength properties of three new radio-powerful $z\sim 5.6$ quasi-stellar objects discovered from RACS
• 1-arcsecond imaging of ELAIS-N1 field at 144MHz using the LoTSS survey with international LOFAR telescope
• The Massive and Distant Clusters of WISE Survey. VIII. Radio Activity in Massive Galaxy Clusters
• New filamentary remnant radio emission and duty cycle constraints in the radio galaxy NGC 6086
• A low-frequency radio halo survey of the South Pole Telescope SZ-selected clusters with the GMRT
• Powerful Radio Sources in the Southern Sky. I. Optical Identifications
• Sardinia Radio Telescope observations of the Coma Cluster
• Resolution of the incongruency of dipole asymmetries within various large radio surveys -- implications for the Cosmological Principle
• Calibration requirements for Epoch of Reionization 21-cm signal observations -- II. Analytical estimation of the bias and variance with time-correlated residual gains
• A blazar as the likely counterpart to 4FGL J0647.7-4418 instead of a gamma-ray binary
• Global alignments of parsec-scale AGN radio jets and their polarization planes
• The VLA-COSMOS 3 GHz Large Project: Average radio spectral energy distribution of active galactic nuclei
• The GLEAM 200 MHz Local Radio Luminosity Function for AGN and Star-forming Galaxies
• The Highly Self-Absorbed Blazar, PKS\,1351$-$018
• A horseshoe-shaped ring of diffuse emission detected at 1.4 GHz
• Diffuse Sources, Clustering and the Excess Anisotropy of the Radio Synchrotron Background
• Diffuse radio source candidate in CIZA J1358.9-4750
• Two procedures to flag radio frequency interference in the UV plane
• Radio spectral properties of cores and extended regions in blazars in the MHz regime
• GaLactic and Extragalactic All-sky Murchison Widefield Array survey eXtended (GLEAM-X) III: Galactic Plane
• ATCA 16 cm Observation of CIZA J1358.9-4750: Implication of Merger Stage and Constraint on Non-Thermal Properties
• Search for radio emission from the exoplanets Qatar-1b and WASP-80b near 150 MHz using the Giant Metrewave Radio Telescope
• A spatially resolved radio spectral study of the galaxy M 51
• Radio-only and Radio-to-far-ultraviolet Spectral Energy Distribution Modeling of 14 ULIRGs: Insights into the Global Properties of Infrared Bright Galaxies
• A young and obscured AGN embedded in the giant radio galaxy Mrk 1498
• No strong radio absorption detected in the low-frequency spectra of radio-loud quasars at z > 5.6
• AGN feedback in an infant galaxy cluster: the LOFAR-Chandra view of the giant FRII radio galaxy J103025+052430 at z=1.7
• Classical Novae in the ASKAP Pilot Surveys
• Hydra II: Characterisation of Aegean, Caesar, ProFound, PyBDSF, and Selavy source finders
• Radio counterparts of gamma-ray sources in the Cygnus region
• Imaging results from the legacy GMRT Galaxy Cluster Key Project
• Possible TeV $\gamma$-ray binary origin of HESS J1828-099
• How are Red and Blue Quasars Different? The Radio Properties
• The symbiotic binary ZZ CMi: intranight variability and suggested outbursting nature
• Complex diffuse emission in the $z=0.52$ cluster PLCK~G004.5-19.5
• Pre-selection of the Candidate Fields for Deep Imaging of the Epoch of Reionization with SKA1-Low
• Optical and Radio Variability of the Blazar S4 0954+658
• Detection of coherent low-frequency radio bursts from weak-line TTauri stars
• Subarcsecond view on the high-redshift blazar GB 1508+5714 by the International LOFAR Telescope
• A Supernova Remnant Counterpart for HESS J1832-085
• Revealing new high redshift quasar populations through Gaussian mixture model selection
• RadioSED I: Bayesian inference of radio SEDs from inhomogeneous surveys
• Searching for low radio-frequency gravitational wave counterparts in wide-field LOFAR data
• A Comprehensive Study of the Young Cluster IRAS 05100+3723: Properties, Surrounding Interstellar Matter, and Associated Star Formation
• Foreground and sensitivity analysis for broad band (2D) 21cm--Ly-alpha and 21cm--H-alpha correlation experiments probing the Epoch of Reionization
• Matching LOFAR sources across radio bands
• Limits on long-time-scale radio transients at 150 MHz using the TGSS ADR1 and LoTSS DR2 catalogues
• The XXL Survey. XLI. Radio AGN luminosity functions based on the GMRT $610\mathrm{MHz}$ continuum observations
• Is the X-ray bright z = 5.5 quasar SRGE J170245.3+130104 a blazar?
• The significance of low frequency interferometric observations for the GPS pulsar flux estimation: the case of J1740+1000
• Discovery of an Extremely Intermittent Periodic Radio Source
• The MeerKAT Absorption Line Survey: Homogeneous continuum catalogues towards a measurement of the cosmic radio dipole
• High-$z$ radio Quasars in RACS I: Selection, identification, and multi-wavelength properties
• Peering Into the Extended X-ray Emission on Megaparsec Scale in 3C 187
• A Data-Driven Search For Mid-Infrared Excesses Among Five Million Main-Sequence FGK Stars
• The Location of Young Pulsar PSR J0837$-$2454: Galactic Halo or Local Supernova Remnant?
• The GLEAMing of the first supermassive black holes: II. A new sample of high-redshift radio galaxy candidates
• The non-thermal emission from the colliding-wind binary Apep
• Young but fading radio sources: searching for remnants among compact steep-spectrum radio sources
• Linear Polarization of the 21 cm Line from the Epoch of Reionization
• TXS 1433+205: The most distant gamma-ray emitting FR II radio galaxy
• Discovery of Hydrogen Radio Recombination Lines at z=0.89 towards PKS 1830-211
• Powerful Radio Sources in the Southern Sky. II. A SWIFT X-Ray Perspective
• Study of RCR Catalogue Radio Source Integral Spectra
• Lyman-$\alpha$ emission from a WISE-selected optically faint powerful radio galaxy M151304.72-252439.7 at $z$ = 3.132
• Megaparsec-scale Radio Structure Associated with a Hybrid Blazar SBS B1646+499: Episodic Jet Activity with Precessing Axis
• High-resolution imaging with the International LOFAR Telescope: Observations of the gravitational lenses MG 0751+2716 and CLASS B1600+434
• Follow-up Timing of Three GMRT Pulsars
• Prospects of a statistical detection of the 21-cm forest and its potential to constrain the thermal state of the neutral IGM during reionization
• Excess cataloged X-ray and radio sources at galaxy-cluster virial shocks
• Radio continuum properties of OH megamaser galaxies
• Sloshing and spiral structures breeding a putative radio mini-halo in the environment of a cool-core cluster Abell 795
• Spectral study of the diffuse synchrotron source in the galaxy cluster Abell 523
• Boosting the 21 cm forest signals by the clumpy substructures
• Multiple AGN activity during the BCG assembly of XDCPJ0044.0-2033 at z~1.6
• The radio structure of the $\gamma$-ray narrow-line Seyfert 1 galaxy SDSS J211852.96$-$073227.5
• A procedure for making high dynamic-range radio images: Deep imaging of the kiloparsec-scale radio structures of a distant blazar, NRAO 530, with JVLA data
• The role of Dark Matter annihilation in the radio emission of the galaxy cluster A520
• Dark matter annihilation in $\omega$ Centauri: Astrophysical implications derived from the MWA radio data
• A small radio galaxy at z=4.026
• Discovery of a filamentary synchrotron structure connected to the coherent magnetic field in the outer Galaxy
• Impact of dark matter-baryon relative velocity on the 21cm forest
• A LOFAR prompt search for radio emission accompanying X-ray flares in GRB 210112A
• The cluster-central compact steep-spectrum radio galaxy 1321+045
• Optical detection of a GMRT-detected candidate high-redshift radio galaxy with 3.6-m Devasthal optical telescope
• Searching for Radio Transients with Inverted Spectra in Epoch 1 of VLASS and VCSS, and Identification of a Sample of Candidate Relativistic Nuclear Transients
• Magnetic fields and extraordinarily bright radio emission in the X-ray faint galaxy group MRC 0116+111
• Robust direction-dependent gain-calibration of beam-modelling errors far from the target field
• Strong low-frequency radio flaring from Cygnus X-3 observed with LOFAR
• Revealing the intricacies of radio galaxies and filaments in the merging galaxy cluster Abell 2255. I. Insights from deep LOFAR-VLBI sub-arcsecond resolution images
• A blazar candidate for the Fermi source 4FGL J1848.7-0129
• Selecting a complete sample of blazars in sub-millimetre catalogues
• A rare case of FR I interaction with a hot X-ray bridge in the A2384 galaxy cluster
• Why are some galaxy clusters underluminous? The very low concentration of the CL2015 mass profile
• A compact symmetric ejection from the low mass AGN in the LINER galaxy NGC 4293
• Investigating orientation effects considering angular resolution for a sample of radio-loud quasars using VLA observations
• The Energetics of Launching the Most Powerful Jets in Quasars: A Study of 3C82
• The peculiar cluster MACS J0417.5-1154 in the C and X-bands
• Follow-up Observations for IceCube-170922A: Detection of Rapid Near-Infrared Variability and Intensive Monitoring of TXS 0506+056
• A Swift X-ray view of the SMS4 sample -- X-ray properties of 31 quasars and radio galaxies
• A catalogue of complex radio sources in the Rapid ASKAP Continuum Survey created using a Self-Organising Map
• The ViCTORIA project: description of a multi-frequency radio survey of the Virgo galaxy cluster
• VHE $\gamma$-ray discovery and multi-wavelength study of the blazar 1ES 2322-409
• Chandra X-ray Observatory Observations of 13 Fermi LAT Sources
• Moderate Correlation between the Accretion Disk and Jet Power in a Large Sample of Fermi Blazars
• A Pre-Merger Stage Galaxy Cluster: Abell 3733
• Milliarcsecond Structures of Variable Peaked-Spectrum Sources
• Extended Radio Structures and a Compact X-ray Cool-Core in the Cluster Source PKS 1353-341
• Non-thermal emission in galaxy groups at extremely low frequency: the case of A1213
• Properties of Compact Faint Radio Sources as a Function of Angular Size from Stacking
• Synthetic Observations with the Square Kilometre Array (SKA) -- development towards an end-to-end pipeline
• An extended and extremely thin gravitational arc from a lensed compact symmetric object at redshift 2.059
• The first high-redshift cavity power measurements of cool-core galaxy clusters with the International LOFAR Telescope
• The radio source in Abell 980: A Detached-Double-Double Radio Galaxy?
• The structure of the giant radio fossil in the Ophiuchus galaxy cluster
• A cosmological distance measure using radio-loud quasars
• Solar system peculiar motion from the Hubble diagram of quasars and testing the Cosmological Principle
• The strongest cool core in REXCESS: Missing X-ray cavities in RXC J2014.8-2430
• Possible non-thermal origin of the hard X-ray emission in the merging galaxy cluster SPT-CL J2031-4037
• SAGAN-VI: When Jets Meet Filaments -- Environmental Imprints on the Growth of Giant Radio Galaxies
• Hubble Space Telescope Captures UGC~12591: Bulge/Disc Properties, Star Formation and `Missing Baryons' Census in a Very Massive and Fast Spinning Hybrid Galaxy
• Multi-wavelength observations of the BL Lac object Fermi J1544-0649: one year after its awakening
• Probing the detectability of electromagnetic signatures from Galactic isolated black holes
• The Universe is Brighter in the Direction of Our Motion: Galaxy Counts and Fluxes are Consistent with the CMB Dipole
• Primary Beam Calibration for Commensal Telescopes Utilizing Offset Optics
• Radio sources of the survey on the declination of the pulsar in Crab Nebula
• VLBI Detection of an Active Radio Source Potentially Driving 100-kpc Scale Emission in the Ultraluminous Infrared Galaxy IRAS F01004$-$2237
• The 'spectral index-flux density relation' for extragalactic radio sources selected at metre and decametre wavelengths
• GaLactic and Extragalactic All-sky Murchison Widefield Array survey eXtended (GLEAM-X) I: Survey Description and Initial Data Release
• The Nature and Likely Redshift of GLEAM J0917-0012
• Sensitive 3mm Imaging of Discrete Sources in the Fields of tSZ-Selected Galaxy Clusters
• A Giant Metrewave Radio Telescope Survey of Radio-loud Broad Absorption Line Quasars
• Finding Lensed Radio Sources with the VLA Sky Survey
• New supernova remnant candidates in the LOFAR Two Metre Sky Survey
• Deciphering the spectral properties of the atypical radio relic in A115 using uGMRT, VLA, and LOFAR
• Relighting the fire in Hickson Compact Group (HCG) 15: magnetised fossil plasma revealed by the SKA Pathfinders & Precursors
• SALT spectroscopic follow-up of the G4Jy Sample
• Catalog of One-side Head-Tail Galaxies in the FIRST Survey
• Intra-night optical variability and radio characteristics of extremely radio-loud narrow-line Seyfert 1 galaxies
• A Morphological Identification and Study of Radio Galaxies from LoTSS DR2. I. The "Winged'' Radio Galaxies
• The superMIGHTEE project: MeerKAT and GMRT Together to Unveil the Deep Radio Sky
• COBRaS: The e-MERLIN 21 cm Legacy survey of Cygnus OB2
• Identifying pulsar candidates in interferometric radio images using scintillation
• Radio properties of high-redshift galaxies at $z\ge 1$
• Metrewave Galactic Plane with the uGMRT (MeGaPluG) Survey: Lessons from the Pilot Study
• Radio and mid-infrared properties of the blazar J1419$-$0838
• The Energetics of the Central Engine in the Powerful Quasar, 3C298
• AMI-CL J0300+2613: a Galactic anomalous-microwave-emission ring masquerading as a galaxy cluster
• An ACA 1mm survey of HzRGs in the ELAIS-S1: survey description and first results
• Reassessment of an origin of the radio structure of J1420-0545
• Epoch of Reionization Power Spectrum Limits from Murchison Widefield Array Data Targeted at EoR1 Field
• The Kinetically Dominated Quasar 3C~418
• Mapping the gas thermodynamic properties of the massive cluster merger MOO J1142$+$1527 at z = 1.2
• Studying the highly bent spectra of FR II-type radio galaxies with the KDA EXT model
• An XMM-Newton look at the strongly variable radio-weak BL Lac Fermi J1544-0639
• Murchison Widefield Array and XMM-Newton observations of the Galactic supernova remnant G5.9+3.1
• Multi-epoch Low Radio Frequency Surveys of the Kepler K2 Mission Campaign Fields 3, 4, and 5 with the Murchison Widefield Array
• Scalability Model for the LOFAR Direction Independent Pipeline
• NOCTURNE. I. The radio spectrum of narrow-line Seyfert 1 galaxies
• A truncated inner disc in the Seyfert 1 galaxy WKK 4438
• The Crab Nebula at subarcsecond resolution with the International LOFAR Telescope
• Extremely inverted peaked spectrum radio sources
• Radio halos in a mass-selected sample of 75 galaxy clusters. I. Sample selection and data analysis
• Cross-correlating the EMU Pilot Survey 1 with CMB lensing: Constraints on cosmology and galaxy bias with harmonic-space power spectra
• The Multi-Epoch Jet Outbursts in Abell 496: synchrotron ageing and buoyant X-ray cavities draped by warm gas filaments
• Merger of massive galaxy cluster CL0238.3+2005 at z~0.4: just after pericenter passage?
• The Angular Correlation Function as measured by the GLEAM-X Survey
• Searching for the magnetised Tidal Dwarf Galaxies in Hickson Compact Groups: HCG 26, 91, and 96
• Exploring the region encompassing gamma Cygni SNR and MAGIC J2019+408 with the GMRT at 325 and 610 MHz
• A galaxy cluster in the innermost Zone of Avoidance, close to the radio phoenix VLSSJ2217.5+594
• Apertif, Phased Array Feeds for the Westerbork Synthesis Radio Telescope
• HSC-XXL : Baryon budget of the 136 XXL Groups and Clusters
• A Multi-Mechanism Hybrid Model of Peaked-Spectrum Radio Sources
• HST WFC3/Grism Observations of the Candidate Ultra-High-Redshift Radio Galaxy GLEAM J0917-0012
• Finding LoTSS of hosts for GRBs: a search for galaxy - gamma-ray burst coincidences at low frequencies with LOFAR
• GMRT observations of the protostellar jet associated with \iras
• The LOFAR sub-arcsecond view of the high-redshift radio relic in PSZ2G091.83+26.11
• The MWA Long Baseline Epoch of Reionisation Survey: I. Improved Source Catalogue for the EoR 0 field
• Our Peculiar Motion Inferred from Number Counts of Mid Infra Red AGNs and the Discordance Seen with the Cosmological Principle
• 1FLAT: a Firmamento-based catalog of AGN in Fermi-LAT high Galactic latitude γ-ray sources
• Radio Galaxy Zoo: Giant Radio Galaxy Classification using Multi-Domain Deep Learning
• Cosmic Dipoles from Large-Scale Structure Surveys
• Finding the evolutionary link between ULIRGs and radio galaxies
• Clustering properties of TGSS radio sources
• A VLITE Search for Millisecond Pulsars in Globular Clusters: Discovery of a Pulsar in GLIMPSE-C01
• Deep ASKAP EMU Survey of the GAMA23 field: Properties of radio sources
• IGR J18249-3243: a new GeV-emitting FR II and the emerging population of high energy radio galaxies
• Low-frequency integrated radio spectra of diffuse, steep-spectrum sources in galaxy clusters: palaeontology with the MWA and ASKAP
• Imaging the Southern Sky at 159MHz using Spherical Harmonics with the Engineering Development Array 2
• The effects of lensing by local structures on the dipole of radio source counts
• Wide-field GMRT imaging of X-shaped Radio-Galaxies: Spectral properties of 4C32.25 and 4C61.23
• Galaxy number-count dipole and superhorizon fluctuations
• The Impact of Powerful Jets on the Far-infrared Emission of an Extreme Radio Quasar at z~6
• The gaseous natal environments of GPS and CSS sources with ASKAP -- FLASH
• On the Origin of Diffuse Radio Emission in Abell 85 -- Insights from new GMRT Observations
• LOFAR discovery of rare large FR-I jets in low-luminosity radio galaxy NGC 5322
• Deciphering the ultra-steep spectrum diffuse radio sources discovered in the cool-core cluster Abell~980
• Are Stellar Embryos in Perseus Radio-Synchrotron Emitters? Statistical data analysis with Herschel and LOFAR paving the way for the SKA
• A GMRT 610 MHz radio survey of the North Ecliptic Pole (NEP, ADF-N) / Euclid Deep Field North
• Circular Mystery: Exploring Diffuse Emission Surrounding a Radio Galaxy with uGMRT and VLA Multiwavelength Observations
• Cosmology from LOFAR Two-metre Sky Survey Data Release 2: Counts-in-Cells Statistics
• Probing AGN duty cycle and cluster-driven morphology in a giant episodic radio galaxy
• Milliarcsecond-resolution Radio-imaging Survey of Blazar Candidates at 4 < z < 5.4
• Measuring peculiar velocity and tomographic redshift dipole with DESI DR1 catalogs
• Minimum Energies and Magnetic Field Strengths of Edge-brightened Compact Symmetric Objects
• RAD@home discovery of a bow-and-arrow radio galaxy tracing a ~560 kpc bow-shock structure in a multi-halo environment
• Supermassive Black Hole Winds in X-rays: SUBWAYS IV. Tracing Radio Emission and Unveiling the Role of Winds
• Evidence of sloshing-driven mini-halo formation in the cool-core cluster RXCJ1558.3-1410
• Pulsars identified in the LOFAR Two-metre Sky Survey at 144 MHz