4C 21.42 , the SIMBAD biblio

4C 21.42 , the SIMBAD biblio (32 results) C.D.S. - SIMBAD4 rel 1.8 - 2026.10.16CEST07:30:51

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Bibcode/DOI Score in Title|Abstract|
Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1967AJ.....72..738O 492 52 Accurate positions of selected 4C sources. OLSEN E.T.
1967AJ.....72..757D 627 52 A survey of the sky at 610.5 MHz. II. The region between declinations +15 and +22 degrees. DICKEL J.R., YANG K.S., McVITTIE G.C., et al.
1969AJ.....74..833H 199 10 Declination measurements of selected 4C sources using the Arecibo 1000-ft reflector. HAZARD C., JAUNCEY D.L., GULKIS S., et al.
1970AJ.....75..764O 487 125 Optical identification of radio sources selected from the 4C catalogue. OLSEN E.T.
1970AJ.....75.1039H 73 35 The identification of 4C sources usung the 4C right ascensions and Arecibo declinations. HAZARD C., JAUNCEY D.L. and BACKER D.C.
1973PASP...85..162A 347 6 A list of quasi-stellar radio sources and quasi-stellar radio-source candidates from the 3C and 4C catalogs between declination -7 deg and +40 deg. AGNEW D. and ARP H.
1977AJ.....82...21B 456 21 Variability of extragalactic sources at 2.7 GHz II. Flux densities of 550 sources and further evidence for variations. BRIDLE A.H., KESTEVEN M.J.L. and BRANDIE G.W.
1979A&AS...36..331V 425 8 A study of the 4C catalogue of radio sources between declinations 20 and 40 degres. I. 318 MHz flux density measurements. VERON M.P. and VERON P.
1993ApJS...87..451H viz 14       D               7278 328 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1996A&AS..115...97V viz 927 30 Astrometry with the Digitized Sky Survey. Positions of 790 AGNs. VERON-CETTY M.-P. and VERON P.
2002MNRAS.329..700S viz 1287 23 Automated optical identification of a large complete northern hemisphere sample of flat-spectrum radio sources with S6cm>200mJy. SNELLEN I.A.G., McMAHON R.G., HOOK I.M., et al.
2003A&A...412...45P viz 15       D               1 956189 750 HYPERLEDA. I. Identification and designation of galaxies. PATUREL G., PETIT C., PRUGNIEL P., et al.
2003MNRAS.341....1M viz 15       D               1 10126 328 The Cosmic Lens All-Sky Survey - I. Source selection and observations. MYERS S.T., JACKSON N.J., BROWNE I.W.A., et al.
2006A&A...455..773V viz 108223 628 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2010A&A...511A..53V viz 15       D               1 107473 39 The SPECFIND V2.0 catalogue of radio cross-identifications and spectra. SPECFIND meets the Virtual Observatory. VOLLMER B., GASSMANN B., DERRIERE S., et al.
2010A&A...518A..10V viz 15       D               1 168913 597 A catalogue of quasars and active nuclei: 13th edition. VERON-CETTY M.-P. and VERON P.
2011ApJS..194...45S viz 15       D               1 105786 1138 A catalog of quasar properties from Sloan Digital Sky Survey data release 7. SHEN Y., RICHARDS G.T., STRAUSS M.A., et al.
2012AJ....143..119I viz 15       D               1 50857 129 The Sloan Digital Sky Survey Quasar Lens Search. V. Final catalog from the seventh data release. INADA N., OGURI M., SHIN M.-S., et al.
2012ApJ...753..106M viz 15       D               1 89523 227 A description of quasar variability measured using repeated SDSS and POSS imaging. MacLEOD C.L., IVEZIC Z., SESAR B., et al.
2013ApJS..206....4K viz 15       D               1 119612 109 Mean spectral energy distributions and bolometric corrections for luminous quasars. KRAWCZYK C.M., RICHARDS G.T., MEHTA S.S., et al.
2013ApJ...779..161S viz 15       D               1 79596 24 Precious metals in SDSS quasar spectra. II. Tracking the evolution of strong, 0.4 < z < 2.3 Mg II absorbers with thousands of systems. SEYFFERT E.N., COOKSEY K.L., SIMCOE R.A., et al.
2014ApJS..212...15F viz 15       D               1 24788 60 A broadband polarization catalog of extragalactic radio sources. FARNES J.S., GAENSLER B.M. and CARRETTI E.
2014ApJ...795...63F viz 15       D               1 597 43 Faraday rotation from magnesium II absorbers toward polarized background radio sources. FARNES J.S., O'SULLIVAN S.P., CORRIGAN M.E., et al.
2014ApJS..215...14D viz 15       D               1 7877 110 The WISE blazar-like radio-loud sources: an all-sky catalog of candidate γ-ray blazars. D'ABRUSCO R., MASSARO F., PAGGI A., et al.
2018ApJS..235...11C viz 16       D               1 190674 1 The associated absorption features in quasar spectra of the Sloan Digital Sky Survey. I. Mg II absorption doublets. CHEN Z.-F., HUANG W.-R., PANG T.-T., et al.
2018A&A...613A..51P viz 16       D               1 525784 350 The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2019ApJS..242....4D viz 16       D               1 9583 45 Two new catalogs of blazar candidates in the WISE Infrared sky. D'ABRUSCO R., ALVAREZ CRESPO N., MASSARO F., et al.
2020MNRAS.493L..54K viz 16       D               1 1059 ~ Optical polarization properties of AGNs with significant VLBI-Gaia offsets. KOVALEV Y.Y., ZOBNINA D.I., PLAVIN A.V., et al.
2020ApJS..249...17R viz 16       D               1 525797 112 Spectral properties of quasars from Sloan Digital Sky Survey data release 14: the catalog. RAKSHIT S., STALIN C.S. and KOTILAINEN J.
2020ApJS..250....8L viz 16       D               1 750061 219 The Sloan Digital Sky Survey quasar catalog: Sixteenth Data Release. LYKE B.W., HIGLEY A.N., McLANE J.N., et al.
2021A&A...655A..17S viz 17       D               1 338578 3 The SPECFIND V3.0 catalog of radio continuum cross-identifications and spectra: Reaching lower frequencies. STEIN Y., VOLLMER B., BOCH T., et al.
2022ApJS..260....4P viz 17       D               1 7976 3 Direction of Parsec-scale Jets for 9220 Active Galactic Nuclei. PLAVIN A.V., KOVALEV Y.Y. and PUSHKAREV A.B.

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