4C 25.21 , the SIMBAD biblio

4C 25.21 , the SIMBAD biblio (67 results) C.D.S. - SIMBAD4 rel 1.7 - 2021.01.26CET04:34:21

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Title First 3 Authors
2019ApJ...887..196F 18       D               1 177 ~ The REQUIEM survey. I. A search for extended Lyα nebular emission around 31 z > 5.7 quasars. FARINA E.P., ARRIGONI-BATTAIA F., COSTA T., et al.
2018A&A...613A..51P viz 17       D               2 525779 26 The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2018MNRAS.476.4872M 17       D               1 46 1 Criteria for retrograde rotation of accreting black holes. MIKHAILOV A.G., PIOTROVICH M.Y., GNEDIN Y.N., et al.
2017A&A...597A..79P viz 17       D               1 302146 153 The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release. PARIS I., PETITJEAN P., ROSS N.P., et al.
2016ApJ...833..123M 351       D     X C       8 13 9 Detecting relativistic X-ray jets in high-redshift quasars. McKEOUGH K., SIEMIGINOWSKA A., CHEUNG C.C., et al.
2015ApJ...813...66S 274   K A     X C       6 1 2 Detecting unspecified structure in low-count images. STEIN N.M., VAN DYK D.A., KASHYAP V.L., et al.
2014A&A...563A..54P viz 16       D               1 168926 179 The Sloan Digital Sky Survey quasar catalog: tenth data release. PARIS I., PETITJEAN P., AUBOURG E., et al.
2014ApJS..212...15F viz 16       D               1 24935 42 A broadband polarization catalog of extragalactic radio sources. FARNES J.S., GAENSLER B.M. and CARRETTI E.
2014AstL...40..161I 15 1 Investigation of the radio emission from active galactic nuclei: Determining the spin of a supermassive black hole. IPATOV A.V., KHARINOV M.A., MARDYSHKIN V.V., et al.
2014MNRAS.442.3329X viz 16       D               1 2466 14 Redshift evolution of extragalactic rotation measures. XU J. and HAN J.L.
2011RAA....11.1413F 39           X         1 28 14 The relationship between the radio core dominance parameter and the spectral index in different classes of extragalactic radio sources. FAN J.-H., YANG J.-H., PAN J., et al.
2010A&A...511A..53V viz 16       D               1 107466 32 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 16       D               1 168912 373 A catalogue of quasars and active nuclei: 13th edition. VERON-CETTY M.-P. and VERON P.
2009A&A...505..385A viz 15       D               1 99836 26 The large quasar reference frame (LQRF). An optical representation of the ICRS. ANDREI A.H., SOUCHAY J., ZACHARIAS N., et al.
2007MNRAS.374L..10P 10 13 Kinetically dominated FRII radio sources. PUNSLY B.
2007MNRAS.375..705H 63 24 Giant Lyα nebulae around z > 2 radio galaxies: evidence for infall. HUMPHREY A., VILLAR-MARTIN M., FOSBURY R., et al.
2006A&A...455..773V viz 108221 545 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2003A&A...412...45P viz 15       D               1 956233 675 HYPERLEDA. I. Identification and designation of galaxies. PATUREL G., PETIT C., PRUGNIEL P., et al.
2003A&A...412..707R viz 829 11 A catalogue of absorption-line systems in QSO spectra. RYABINKOV A.I., KAMINKER A.D. and VARSHALOVICH D.A.
2003ApJ...599..116V viz 117 47 Occurrence and global properties of narrow C IV λ1549 Å absorption lines in moderate-redshift quasars. VESTERGAARD M.
2002A&A...381..757L viz 493 43 A new list of extra-galactic radio jets. LIU F.K. and ZHANG Y.H.
2001AJ....121.2843B viz 6250 74 Quasars in the 2MASS second incremental data release. BARKHOUSE W.A. and HALL P.B.
1999AJ....118.1435W viz 382 10 A study of quasar radio emission from the VLA FIRST survey. WADADEKAR Y. and KEMBHAVI A.
1998A&AS..132...31N viz 612 24 Kinematical models of double radio sources and the unified scheme. II. The database. NILSSON K.
1995AuJPh..48..143S viz 2213 45 Radio sources observed with the Culgoora circular array. SLEE O.B.
1993AcApS..13..125L 228 1 Studies of CIV associated absorption systems of QSOs (I) Samples. LI Y. and CHEN J.-S.
1993ApJ...413..453N viz 540 67 On the redshift-apparent size diagram of double radio sources. NILSSON K., VALTONEN M.J., KOTILAINEN J., et al.
1993ApJS...87...63L 199 59 The radio properties of high-redshift quasars. I. Dual-frequency observations of 79 steep-spectrum quasars at z>1.5. LONSDALE C.J., BARTHEL P.D. and MILEY G.K.
1993ApJS...87..451H viz 14       D               7278 308 A revised and updated catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1993ChA&A..17..161L 226 0 Studies of CIV associated absorption systems of QSOs. (I) Samples. LI Y. and CHEN J.-S.
1992A&AS...95..249L 232 10 A finding list of extragalactic radio jets and statistical results. LIU F.K. and XIE G.Z.
1992ApJ...393...68L 1 13 63 Multicolor images of spatially resolved structures around high-redshift quasars. LEHNERT M.D., HECKMAN T.M., CHAMBERS K.C., et al.
1992ApJS...79....1T 161 210 Systematic QSO emission-line velocity shifts and new unbiased redshifts. TYTLER D. and FAN X.-M.
1991ApJ...370...78H 1 19 113 Spatially resolved optical images of high-redshift quasi-stellar objects. HECKMAN T.M., LEHNERT M.D., VAN BREUGEL W., et al.
1991ApJS...77..203J viz 633 60 A catalog of absorption in the spectra of quasi-stellar objects. JUNKKARINEN V., HEWITT A. and BURBIDGE G.
1990A&AS...82..339B 67 96 Optical spectra of distant radio loud quasars. I. Data: spectra of 67 quasars. BARTHEL P.D., TYTLER D.R. and THOMSON B.
1990AJ....100.1441N 58 50 Evolution of radio quasars from redshift 0.6-3.7 NEFF S.G. and HUTCHINGS J.B.
1989ApJS...69....1H 1594 178 The first addition to the new optical catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1988A&AS...73..515B 110 80 Observations of the large scale radio structure in high redshift quasars. BARTHEL P.D., MILEY G.K., SCHILIZZI R.T., et al.
1988ApJ...332...96L 130 36 An investigation of Lyman-limit absorption in QSO spectra: indirect evidence for evolution of the multicomponent nature of the absorbers. LANZETTA K.M.
1988MNRAS.233...87S 460 50 Cosmic evolution of the physical sizes of extragalactic radio sources and their luminosity-size correlation. SINGAL A.K.
1988MNRAS.233..801O 104 92 The ultraviolet continuum of quasars -I. The shape of the continuum, continuum reddening and intervening absorption. O'BRIEN P.T., GONDHALEKAR P.M. and WILSON R.
1988Natur.333..319B 129 147 Evolution of radio structure in quasars : a new probe of protogalaxies ? BARTHEL P.D. and MILEY G.K.
1987AJ.....94.1487L 9 15 Radio sources with strong jets and weak cores. LONSDALE C.J. and BARTHEL P.D.
1986AJ.....91..354Y 661 25 On optical studies of high-velocity clouds. YORK D.G., BURKS G.S. and GIBNEY T.B.
1986ApJ...308..815N 180 175 Quasars measured by the Infrared Astronomical Satellite. NEUGEBAUER G., MILEY G.K., SOIFER B.T., et al.
1983A&A...126...16B 20 11 A VLBI search for compact components in extended high redshift quasars. BARTHEL P.D.
1983AJ.....88..709H 343 140 Are wide-angle radio-tail QSOs members of clusters of galaxies ? I. VLA maps at 20 cm of 117 radio quasars. HINTZEN P., ULVESTAD J. and OWEN F.
1981ApJS...46..239S 266 23 Linear polarization of extragalactic radio sources at 3.71 and 11.1 centimeters. SIMARD-NORMANDIN M., KRONBERG P.P. and BUTTON S.
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.
1979AJ.....84..707P 71 66 Radio structures of a complete sample of quasars from the 4C catalog. POTASH R.I. and WARDLE J.F.C.
1978MNRAS.182..127H 57 43 The angular diameter-redshift test for quasi-stellar radio sources with large redshifts. HOOLEY A., LONGAIR M.S. and RILEY J.M.
1978MNRAS.184..559W 21 17 Improved optical positions of objects associated with extended radio sources. WILLS D.
1977MNRAS.179..719S 103 43 A comparative study of the properties of 3CR and 4C quasars. STANNARD D. and NEAL D.S.
1976AJ.....81..574P 412 12 Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objets. PACHT E.
1975AJ.....80..335S 1095 38 Positions and flux densities of 1075 radio sources at 365 MHz. SHARP J.R. and BASH F.N.
1975MmRAS..80..105R 1 31 161 Observations of 31 extragalactic radio sources with the Cambridge 5-km telescope at 5 GHz. RILEY J.M. and POOLEY G.G.
1975MmSAI..46..461B 493 7 Catalogue of quasi-stellar-objects. BARBIERI C., CAPACCIOLI M. and ZAMBON M.
1974ApJ...193..505S 45 44 Optical spectra and redshifts of 4C quasi-stellar radio sources. SCHMIDT M.
1973A&AS...11...41G 452 33 On the spectral index distribution of radio sources selected from the B2 sky survey. GRUEFF G. and VIGOTTI M.
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.
1972A&AS....7....1C viz 366 142 The B2 catalogue of radio sources - second part. COLLA G., FANTI C., FANTI R., et al.
1970AJ.....75..148W 326 14 A survey of the sky at 610.5 MHz. III. The region between +22 and +27 degrees. WENDKER H.J., DICKEL J.R. and YANG K.S.
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.
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.
1967AJ.....72..738O 492 52 Accurate positions of selected 4C sources. OLSEN E.T.

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