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4C 21.42 , the SIMBAD biblio (30 results) | C.D.S. - SIMBAD4 rel 1.8 - 2024.03.28CET14:21:16 |
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 | 628 | 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 | 14 | D | 7278 | 328 | A revised and updated catalog of quasi-stellar objects. | HEWITT A. and BURBIDGE G. | |||
1996A&AS..115...97V | 927 | 30 | Astrometry with the Digitized Sky Survey. Positions of 790 AGNs. | VERON-CETTY M.-P. and VERON P. | |||||
2002MNRAS.329..700S | 1288 | 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 | 15 | D | 1 | 956205 | 750 | HYPERLEDA. I. Identification and designation of galaxies. | PATUREL G., PETIT C., PRUGNIEL P., et al. | ||
2006A&A...455..773V | 108224 | 628 | A catalogue of quasars and active nuclei: 12th edition. | VERON-CETTY M.-P. and VERON P. | |||||
2010A&A...511A..53V | 15 | D | 1 | 107492 | 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 | 15 | D | 1 | 168911 | 597 | A catalogue of quasars and active nuclei: 13th edition. | VERON-CETTY M.-P. and VERON P. | ||
2011ApJS..194...45S | 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 | 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 | 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 | 16 | 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 | 16 | 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 | 16 | D | 1 | 24940 | 60 | A broadband polarization catalog of extragalactic radio sources. | FARNES J.S., GAENSLER B.M. and CARRETTI E. | ||
2014ApJ...795...63F | 16 | 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 | 16 | D | 1 | 7856 | 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 | 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 | 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 | 17 | D | 1 | 9528 | 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 | 17 | 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 | 17 | 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 | 17 | D | 1 | 750060 | 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 | 17 | D | 1 | 336022 | 3 | The SPECFIND V3.0 catalog of radio continuum cross-identifications and spectra: Reaching lower frequencies. | STEIN Y., VOLLMER B., BOCH T., et al. |