English
Related papers

Related papers: The Very Large Array Low-frequency Sky Survey Redu…

200 papers

We present a catalog of 246 radio sources found in the central 1 degree of the COSMOS field at 1.4GHz. The VLA pilot project data have a resolution of 1.9"x1.6" and an rms noise limit of ~25-100uJy/beam covering 0.837 sqrdeg. About 20 radio…

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,…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-08 H. T. Intema , P. Jagannathan , K. P. Mooley , D. A. Frail

The Very Small Array (VSA) has been used to survey the l = 27 to 46 deg, |b|<4 deg region of the Galactic plane at a resolution of 13 arcmin. The survey consists of 44 pointings of the VSA, each with a r.m.s. sensitivity of ~90 mJy/beam.…

The VLT Survey Telescope (VST) ATLAS is an optical ugriz survey aiming to cover ~4700deg^2 of the Southern sky to similar depths as the Sloan Digital Sky Survey (SDSS). From reduced images and object catalogues provided by the Cambridge…

The Very Small Array (VSA) is a synthesis telescope designed to image faint structures in the cosmic microwave background on degree and sub-degree angular scales. The VSA has key differences from other CMB interferometers with the result…

Covering $\sim$5600 deg$^2$ to rms sensitivities of $\sim$70$-$100 $\mu$Jy beam$^{-1}$, the LOFAR Two-metre Sky Survey Data Release 2 (LoTSS-DR2) provides the largest low-frequency ($\sim$150 MHz) radio catalogue to date, making it an…

We present the results of a survey of radio continuum sources near the Galactic plane using the Very Long Baseline Array (VLBA). Our observations are designed to identify compact extragalactic sources of milliarcsecond size that can be used…

Astrophysics of Galaxies · Physics 2015-05-27 K. Immer , A. Brunthaler , M. J. Reid , A. Bartkiewicz , Y. K. Choi , K. M. Menten , L. Moscadelli , A. Sanna , Y. W. Wu , Y. Xu , B. Zhang , X. W. Zheng

We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky LOFAR imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey. Compared to previous radio surveys, MSSS…

Instrumentation and Methods for Astrophysics · Physics 2015-11-04 G. H. Heald , R. F. Pizzo , E. Orrú , R. P. Breton , D. Carbone , C. Ferrari , M. J. Hardcastle , W. Jurusik , G. Macario , D. Mulcahy , D. Rafferty , A. Asgekar , M. Brentjens , R. A. Fallows , W. Frieswijk , M. C. Toribio , B. Adebahr , M. Arts , M. R. Bell , A. Bonafede , J. Bray , J. Broderick , T. Cantwell , P. Carroll , Y. Cendes , A. O. Clarke , J. Croston , S. Daiboo , F. de Gasperin , J. Gregson , J. Harwood , T. Hassall , V. Heesen , A. Horneffer , A. J. van der Horst , M. Iacobelli , V. Jelić , D. Jones , D. Kant , G. Kokotanekov , P. Martin , J. P. McKean , L. K. Morabito , B. Nikiel-Wroczyński , A. Offringa , V. N. Pandey , M. Pandey-Pommier , M. Pietka , L. Pratley , C. Riseley , A. Rowlinson , J. Sabater , A. M. M. Scaife , L. H. A. Scheers , K. Sendlinger , A. Shulevski , M. Sipior , C. Sobey , A. J. Stewart , A. Stroe , J. Swinbank , C. Tasse , J. Trüstedt , E. Varenius , S. van Velzen , N. Vilchez , R. J. van Weeren , S. Wijnholds , W. L. Williams , A. G. de Bruyn , R. Nijboer , M. Wise , A. Alexov , J. Anderson , I. M. Avruch , R. Beck , M. E. Bell , I. van Bemmel , M. J. Bentum , G. Bernardi , P. Best , F. Breitling , W. N. Brouw , M. Brüggen , H. R. Butcher , B. Ciardi , J. E. Conway , E. de Geus , A. de Jong , M. de Vos , A. Deller , R. J. Dettmar , S. Duscha , J. Eislöffel , D. Engels , H. Falcke , R. Fender , M. A. Garrett , J. Grießmeier , A. W. Gunst , J. P. Hamaker , J. W. T. Hessels , M. Hoeft , J. Hörandel , H. A. Holties , H. Intema , N. J. Jackson , E. Jütte , A. Karastergiou , W. F. A. Klijn , V. I. Kondratiev , L. V. E. Koopmans , M. Kuniyoshi , G. Kuper , C. Law , J. van Leeuwen , M. Loose , P. Maat , S. Markoff , R. McFadden , D. McKay-Bukowski , M. Mevius , J. C. A. Miller-Jones , R. Morganti , H. Munk , A. Nelles , J. E. Noordam , M. J. Norden , H. Paas , A. G. Polatidis , W. Reich , A. Renting , H. Röttgering , A. Schoenmakers , D. Schwarz , J. Sluman , O. Smirnov , B. W. Stappers , M. Steinmetz , M. Tagger , Y. Tang , S. ter Veen , S. Thoudam , R. Vermeulen , C. Vocks , C. Vogt , R. A. M. J. Wijers , O. Wucknitz , S. Yatawatta , P. Zarka

The Naval Research Laboratory and the National Radio Astronomy Observatory completed implementation of a low frequency capability on the VLA at 73.8 MHz in 1998. This frequency band offers unprecedented sensitivity (~25 mJy/beam) and…

We quantify the variability of faint unresolved optical sources using a catalog based on multiple SDSS imaging observations. The catalog covers SDSS Stripe 82, and contains 58 million photometric observations in the SDSS ugriz system for…

The Combined EIS-NVSS Survey Of Radio Sources (CENSORS) has been produced with the primary goal of investigating the cosmological evolution of the radio luminosity function. This 1.4GHz sample, complete to the 7.2 mJy level, contains 150…

Astrophysics · Physics 2017-08-23 M. H. Brookes , P. N. Best

The paper presents the results of the largest to date VLBI absolute astrometry campaign of observations of 13,645 radio sources with the Very Long Baseline Array (VLBA). Of them, 7220 have been detected, including 6755 target sources that…

Instrumentation and Methods for Astrophysics · Physics 2020-12-16 Leonid Petrov

This paper presents the sixth part to the Very Long Baseline Array (VLBA) Calibrator Survey. It contains the positions and maps of 264 sources of which 169 were not previously observed with very long baseline interferometry (VLBI). This…

Astrophysics · Physics 2008-07-21 L. Petrov , Y. Y. Kovalev , E. B. Fomalont , D. Gordon

We present the final 6'' resolution data release of the ELAIS-N1 field from the LOw-Frequency ARray (LOFAR) Two-metre Sky Survey Deep Fields project (LoTSS Deep). The 144MHz images are the most sensitive achieved to date at this frequency…

The LOFAR Two-metre Sky Survey (LoTSS) is an ongoing sensitive, high-resolution 120-168MHz survey of the entire northern sky for which observations are now 20% complete. We present our first full-quality public data release. For this data…

Astrophysics of Galaxies · Physics 2018-11-21 T. W. Shimwell , C. Tasse , M. J. Hardcastle , A. P. Mechev , W. L. Williams , P. N. Best , H. J. A. Röttgering , J. R. Callingham , T. J. Dijkema , F. de Gasperin , D. N. Hoang , B. Hugo , M. Mirmont , J. B. R. Oonk , I. Prandoni , D. Rafferty , J. Sabater , O. Smirnov , R. J. van Weeren , G. J. White , M. Atemkeng , L. Bester , E. Bonnassieux , M. Brüggen , G. Brunetti , K. T. Chyży , R. Cochrane , J. E. Conway , J. H. Croston , A. Danezi , K. Duncan , M. Haverkorn , G. H. Heald , M. Iacobelli , H. T. Intema , N. Jackson , M. Jamrozy , M. J. Jarvis , R. Lakhoo , M. Mevius , G. K. Miley , L. Morabito , R. Morganti , D. Nisbet , E. Orrú , S. Perkins , R. F. Pizzo , C. Schrijvers , D. J. B. Smith , R. Vermeulen , M. W. Wise , L. Alegre , D. J. Bacon , I. M. van Bemmel , R. J. Beswick , A. Bonafede , A. Botteon , S. Bourke , M. Brienza , G. Calistro Rivera , R. Cassano , A. O. Clarke , C. J. Conselice , R. J. Dettmar , A. Drabent , C. Dumba , K. L. Emig , T. A. Enßlin , C. Ferrari , M. A. Garrett , R. T. Génova-Santos , A. Goyal , G. Gürkan , C. Hale , J. J. Harwood , V. Heesen , M. Hoeft , C. Horellou , C. Jackson , G. Kokotanekov , R. Kondapally , M. Kunert-Bajraszewska , V. Mahatma , E. K. Mahony , S. Mandal , J. P. McKean , A. Merloni , B. Mingo , A. Miskolczi , S. Mooney , B. Nikiel-Wroczyński , S. P. O'Sullivan , J. Quinn , W. Reich , C. Roskowiński , A. Rowlinson , F. Savini , A. Saxena , D. J. Schwarz , A. Shulevski , S. S. Sridhar , H. R. Stacey , S. Urquhart , M. H. D. van der Wiel , E. Varenius , B. Webster , A. Wilber

A new sample of very large angular size radio sources has been selected from the 1.4 GHz VLA surveys: FIRST and NVSS. This sample will be very useful for an observational constraint on the time evolution of double radio sources, especially…

Astrophysics · Physics 2009-11-06 J. Machalski , M. Jamrozy , S. Zola

This paper presents the fifth part of the Very Long Baseline Array (VLBA) Calibrator Survey (VCS), containing 569 sources not observed previously with very long baseline interferometry in geodetic or absolute astrometry programs. This…

Astrophysics · Physics 2008-11-26 Y. Y. Kovalev , L. Petrov , E. B. Fomalont , D. Gordon

We present an updated atlas of spectra from the Low-Resolution Spectrometer (LRS) on the Infrared Astronomical Satellite (IRAS), which took spectra from 7.67 to 22.73 um with a spectral resolving power (lambda / Delta lambda) of 20-60. The…

Solar and Stellar Astrophysics · Physics 2025-07-21 G. C. Sloan , Kathleen E. Kraemer , K. Volk

We present high resolution (arcsecond or better) observations made with the Karl G. Jansky Very Large Array of 123 radio-loud quasars with redshifts in the range $2.5 \leq z \leq 5.28$ that form a complete flux limited sample ($\geq 70$ mJy…

Astrophysics of Galaxies · Physics 2014-06-19 Doug B. Gobeille , John F. C. Wardle , C. C. Cheung

We cross-identified the ROSAT Bright Source Catalog (RBSC) and the NRAO VLA Sky Survey (NVSS) to construct the RBSC-NVSS sample of the brightest X-ray sources (>= 0.1 counts/s or ~1E-12 ergs/cm/cm/s in the 0.1-2.4 keV band) that are also…

Astrophysics · Physics 2009-10-31 F. E. Bauer , J. J. Condon , T. X. Thuan , J. J. Broderick