QSO B0421+019 , the SIMBAD biblio

QSO B0421+019 , the SIMBAD biblio (143 results) C.D.S. - SIMBAD4 rel 1.7 - 2021.02.24CET21:36:58

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Title First 3 Authors
2020MNRAS.495.1593M           X     *   1 11 ~ Particle acceleration in low-power hotspots: modelling the broad-band spectral energy distribution. MIGLIORI G., ORIENTI M., COCCATO L., et al.
2019A&A...630A.101K viz 18       D               2 3584 ~ Realization of a multifrequency celestial reference frame through a combination of normal equation systems. KARBON M. and NOTHNAGEL A.
2019ATel13135....1W           X     *   1 4 ~ AMI-LA radio upper limits of the nuclear optical transient AT2019PEV. WILLIAMS D., FENDER R., GREEN D., et al.
2019ApJS..242....4D viz 18       D               1 9524 ~ Two new catalogs of blazar candidates in the WISE Infrared sky. D'ABRUSCO R., ALVAREZ CRESPO N., MASSARO F., et al.
2019ApJS..242....5X viz 18       D               1 3393 ~ Structure effects for 3417 Celestial Reference Frame radio sources. XU M.H., ANDERSON J.M., HEINKELMANN R., et al.
2019MNRAS.489.2536D 18       D               1 66 ~ Power spectrum of the flux in the Lyman-alpha forest from high-resolution spectra of 87 QSOs. DAY A., TYTLER D. and KAMBALUR B.
2017A&A...606A..15C 17       D               1 125 12 Ultra-compact structure in intermediate-luminosity radio quasars: building a sample of standard cosmological rulers and improving the dark energy constraints up to z ∼ 3. CAO S., ZHENG X., BIESIADA M., et al.
2017AJ....154..114O viz 17       D               4 298 12 The second data release of the KODIAQ survey. O'MEARA J.M., LEHNER N., HOWK J.C., et al.
2017ApJ...841..113M viz 17       D               1 2943 1 An investigation of blazars without redshifts: not a missing population at high redshift. MAO P. and URRY C.M.
2017ApJS..228...22L viz 17       D               1 1528 1 Korean VLBI Network Calibrator Survey (KVNCS). 1. Source catalog of KVN single-dish flux density measurement in the K and Q bands. LEE J.A., SOHN B.W., JUNG T., et al.
2016A&A...595A...5M viz 17       D               1 2192 30 Gaia Data Release 1. Reference frame and optical properties of ICRF sources. MIGNARD F., KLIONER S., LINDEGREN L., et al.
2016AJ....151..154G viz 17       D               1 2386 11 Second epoch VLBA Calibrator Survey observations: VCS-II. GORDON D., JACOBS C., BEASLEY A., et al.
2016ApJS..224...26M viz 17       D               1 2216 14 A comprehensive statistical description of radio-through-gamma-ray spectral energy distributions of all known blazars. MAO P., URRY C.M., MASSARO F., et al.
2015AJ....150...58F viz 16       D               1 3421 104 The second realization of the international celestial reference frame by very long baseline interferometry. FEY A.L., GORDON D., JACOBS C.S., et al.
2015Ap&SS.357...75M viz 16       D               1 3562 75 The 5th edition of the Roma-BZCAT. A short presentation. MASSARO E., MASELLI A., LETO C., et al.
2013ApJ...764....9M viz 16       D               1 231 12 Mg II absorption at 2 < z < 6 with Magellan/FIRE. II. A longitudinal study of H I, metals, and ionization in galactic halos. MATEJEK M.S., SIMCOE R.A., COOKSEY K.L., et al.
2012ApJ...754...38C viz 16       D               1 118 9 Incidence of Mg II absorption systems toward flat-spectrum radio quasars. CHAND H. and GOPAL-KRISHNA
2011A&A...535A..24S 16       D               1 65 14 VLBI-selected sample of compact symmetric object candidates and frequency-dependent position of hotspots. SOKOLOVSKY K.V., KOVALEV Y.Y., PUSHKAREV A.B., et al.
2011ApJ...736...42R viz 16       D               1 203 55 A Hubble space telescope study of Lyman limit systems: census and evolution. RIBAUDO J., LEHNER N. and HOWK J.C.
2011ApJS..194...19W viz 16       D               1 328 11 McDonald observatory archive of optical linear polarization measurements. WILLS B.J., WILLS D. and BREGER M.
2011MNRAS.410.1096B 17       D               1 61 177 Detection of extended He II reionization in the temperature evolution of the intergalactic medium. BECKER G.D., BOLTON J.S., HAEHNELT M.G., 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...495..691M viz 15       D               2 3203 187 Roma-BZCAT: a multifrequency catalogue of blazars. MASSARO E., GIOMMI P., LETO C., et al.
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.
2009AJ....138..991R 15       D               1 44 15 Multiband comparative study of optical microvariability in radio-loud versus radio-quiet quasars. RAMIREZ A., DE DIEGO J.A., DULTZIN D., et al.
2009MNRAS.395.1087S 93       D         F     3 7 10 Ultraviolet FeII emission in z ∼ 2 quasars. SAMESHIMA H., MAZA J., MATSUOKA Y., et al.
2007ApJ...662...72B viz 16       D               55 180 The evolution of optical depth in the Lyα forest: evidence against reionization at z∼6. BECKER G.D., RAUCH M. and SARGENT W.L.W.
2006A&A...455..773V viz 108221 545 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2006ApJ...636..610R viz 155 245 Damped Lyα systems at z<1.65: the expanded Sloan Digital Sky Survey Hubble Space Telescope sample. RAO S.M., TURNSHEK D.A. and NESTOR D.B.
2004AJ....128.1058T 85 18 The Kast ground-based ultraviolet spectral survey of 79 quasi-stellar objects at redshift 2 for Lyα forest and metal absorption. TYTLER D., O'MEARA J.M., SUZUKI N., et al.
2004ApJ...615..118E 75 49 The number density of 0.6 < z < 1.7 mg II systems from CORALS: observational biases at intermediate redshift. ELLISON S.L., CHURCHILL C.W., RIX S.A., et al.
2004ApJS..150..165K viz 186 25 Emission line properties of active galactic nuclei from a Post-COSTAR Hubble Space Telescope faint object spectrograph spectral atlas. KURASZKIEWICZ J.K., GREEN P.J., CRENSHAW D.M., et al.
2004MNRAS.352.1291P 36 15 Classical and MgII-selected damped Lyman α absorbers: impact on ΩHI at z < 1.7. PEROUX C., DEHARVENG J.-M., LE BRUN V., 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...583..124S 1 85 237 The black hole-bulge relationship in quasars. SHIELDS G.A., GEBHARDT K., SALVIANDER S., et al.
2003ApJ...593L..11Y 38 37 Eddington accretion and QSO emission lines at z∼2. YUAN M.J. and WILLS B.J.
2002A&A...386...97J viz 880 55 The Parkes quarter-Jansky flat-spectrum sample. I. Sample selection and source identifications. JACKSON C.A., WALL J.V., SHAVER P.A., et al.
2002ApJ...571..654D 167 15 A uniform analysis of the Lyα forest at z = 0-5. IV. The clustering and evolution of clouds at z ≤ 1.7. DOBRZYCKI A., BECHTOLD J., SCOTT J., et al.
2002ApJS..140..143B viz 335 47 A uniform analysis of the Lyα forest at z = 0-5. III. Hubble Space Telescope faint object spectrograph spectral atlas. BECHTOLD J., DOBRZYCKI A., WILDEN B., et al.
2002ApJS..141...13B viz 1502 201 The VLBA calibrator Survey–VCS1. BEASLEY A.J., GORDON D., PECK A.B., et al.
2002MNRAS.329..700S viz 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.
2001ApJ...547..635R 146 20 Quasar absorption lines as a function of quasar orientation measures. RICHARDS G.T., LAURENT-MUEHLEISEN S.A., BECKER R.H., et al.
2000ApJS..130....1R 88 255 Discovery of damped Lyα systems at redshifts less than 1.65 and results on their incidence and cosmological mass density. RAO S.M. and TURNSHEK D.A.
2000ApJS..130...67S 103 138 A uniform analysis of the Lyα forest at z=0-5. II. Measuring the mean intensity of the extragalactic ionizing background using the proximity effect. SCOTT J., BECHTOLD J., DOBRZYCKI A., et al.
1999A&AS..139..545K viz 551 89 Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic objects with declinations from -30° to +43°. KOVALEV Y.Y., NIZHELSKY N.A., KOVALEV Y.A., et al.
1999ApJ...514...40M 33 57 A statistical study of rest-frame optical emission properties in luminous quasars at 2.0≤z≤2.5. McINTOSH D.H., RIEKE M.J., RIX H.-W., et al.
1999ApJ...517L..73M 25 59 Redshifted and blueshifted broad lines in luminous quasars. McINTOSH D.H., RIX H.-W., RIEKE M.J., et al.
1998ApJ...501...69D 34 45 A comparative study of the microvariability properties in radio-loud and radio-quiet quasars. DE DIEGO J.A., DULTZIN-HACYAN D., RAMIREZ A., et al.
1998MNRAS.293..257B viz 782 129 Interferometer phase calibration sources - II. The region 0deg ≤ delta(B1950) ≤ +20deg. BROWNE I.W.A., PATNAIK A.R., WILKINSON P.N., et al.
1998MNRAS.301..261S 344 34 X-ray properties of the Parkes sample of flat-spectrum radio sources: dust in radio-loud quasars? SIEBERT J., BRINKMANN W., DRINKWATER M.J., et al.
1997MNRAS.284...85D viz 323 120 The Parkes half-jansky flat-spectrum sample. DRINKWATER M.J., WEBSTER R.L., FRANCIS P.J., et al.
1996AJ....112...62T viz 227 6 A study of quasar absorption-line systems with IRAS. TANNER A.M., BECHTOLD J., WALKER C.E., et al.
1996ApJ...461..683F 1 20 88 High metal enrichments in luminous quasars. FERLAND G.J., BALDWIN J.A., KORISTA K.T., et al.
1996MNRAS.280..767S 66 17 Analysis of Ly-alpha absorption lines in the vicinity of QSOs. SRIANAND R. and KHARE P.
1995A&A...299..641R 50 5 The redshift distribution of the Lyman-α forest clouds revisited. ROESER H.-J.
1995AcASn..36..367L 72 0 The properties of Ly-alpha absorption lines of QSOs. LU J.-L. and HUANG K.-L.
1994AJ....108.2016C 79 32 The emission-line properties of the QSO population at z about 2. CORBIN M.R. and FRANCIS P.J.
1994ApJ...421...27A 11 31 The nature of distant galaxies producing multiple c IV absorption lines in the spectra of high-redshift quasars. ARAGON-SALAMANCA A., ELLIS R.S., SCHWARTZENBERG J.-M., et al.
1994ApJ...423..131B 85 88 Statistics of QSO broad emission-line profiles. II. The C IV lambda 1549, C III] lambda 1909 and Mg II lambda 2798 lines. BROTHERTON M.S., WILLS B.J., STEIDEL C.C., et al.
1994ApJ...436..678O 182 114 Luminosity effects and the emission-line properties of quasars with 0<z<3.8. OSMER P.S., PORTER A.C. and GREEN R.F.
1994ApJS...91....1B 76 196 The Lyman-Alpha forest near 34 quasi-stellar objects with z > 2.6. BECHTOLD J.
1993AJ....105....7Y 112 37 A high-resolution gravitational lens survey. YEE H.K.C., FILIPPENKO A.V. and TANG D.
1993AJ....105.2064S 452 57 Gravitatioanl lensing statistics based on a large sample of highly luminous quasars. SURDEJ J., CLAESKENS J.F., CRAMPTON D., et al.
1993AcApS..13..125L 228 1 Studies of CIV associated absorption systems of QSOs (I) Samples. LI Y. and CHEN J.-S.
1993ApJ...415..534G 15 13 The origin of Mg II absorption-line systems of quasi-stellar objects. GRUENWALD R. and VIEGAS S.M.
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.
1993PASAu..10..310D viz 526 21 A survey of 526 southern flat-spectrum radio sources with the Parkes-Tidbinbilla interferometer DUNCAN R.A., WHITE G.L., WARK R., et al.
1992ApJ...387...56B 37 63 The snapshot survey: a search for gravitationally lensed quasars with the Hubble Space Telescope. BAHCALL J.N., MAOZ D., DOXSEY R., et al.
1992ApJ...398..454W 267 166 A survey for high optical polarization in quasars with core-dominant radio structure: is there a beamed optical continuum ? WILLS B.J., WILLS D., BREGER M., et al.
1992ApJS...79....1T 161 210 Systematic QSO emission-line velocity shifts and new unbiased redshifts. TYTLER D. and FAN X.-M.
1992ApJS...80....1S 103 293 Mg II absorption in the spectra of 103 QSOs: implications for the evolution of gas in high-redshift galaxies. STEIDEL C.C. and SARGENT W.L.W.
1992PASP..104..678S 530 19 Accurate positions and finding charts for 528 high-redshift, luminous quasars. SCHNEIDER D.P., BAHCALL J.N., SAXE D.H., et al.
1991Ap&SS.180..113Y 20 ~ A new examination of absorption line density in the L-alpha forest of QSOs. YULIN B.
1991ApJ...367...19L 1 37 194 The redshift distribution of Ly-alpha clouds and the proximity effect. LU L., WOLFE A.M. and TURNSHEK D.A.
1991ApJ...382..433S 92 106 Emission-line and continuum properties of 92 bright QSOs : luminosity dependence and differences between radio-selected and optically selected samples. STEIDEL C.C. and SARGENT W.L.W.
1991ApJS...77..203J viz 633 60 A catalog of absorption in the spectra of quasi-stellar objects. JUNKKARINEN V., HEWITT A. and BURBIDGE G.
1991MNRAS.248..177B 17 13 Modelling the spatial distribution of QSO absorption lines. BABUL A.
1991MNRAS.250...24Y 262 53 An inhomogeneous reference catalogue of identified intervening heavy element systems in spectra of QSOs. YORK D.G., YANNY B., CROTTS A., et al.
1991MNRAS.250..270W 20 31 A search for inhomogeneities in the Lyman alpha forest. WEBB J.K. and BARCONS X.
1991MNRAS.253..207B 37 17 The effect of clustering on the equivalent width distribution of QSO Lyman-alpha clouds. BARCONS X. and WEBB J.K.
1990A&A...239...33A 363 65 Periodicity of quasar redshifts. ARP H., BI H.G., CHU Y., et al.
1990MNRAS.244p..30B 18 ~ Do Lyman-alpha clouds cluster around galaxies? BARCONS X. and WEBB J.K.
1990PAZh...16..901S 19 0 An independent test for the cosmological constant. SHOLOMITSKIJ G.B.
1989A&A...222....1C 10 17 The periodicity in the redshift distribution of the Lyman-alpha forest. CHU Y. and ZHU X.
1989AISAO..27...84N 25 0 Of the nature of unidentified absorption lines in QSO spectra. NAZAROV E.A.
1989AJ.....98.1188C 32 17 A search for closely spaced gravitational lenses. CRAMPTON D., McCLURE R.D., FLETCHER J.M., et al.
1989AZh....66..252V 36 2 Autocorrelation analysis of QSO absorption spectra. Autocorrelation function initial parts. VAL'TTS I.E.
1989AcApS...9..137B 15 0 Re-examination of the correlation between the Lyman-alpha absorption linedensity and the emission redshift of QSOs. BIAN Y.-L., ZOU Z.-L. and CHEN J.-S.
1989ApJ...338..630B 112 136 Emission-line properties of optically and radio-selected complete quasar samples. BALDWIN J.A., WAMPLER E.J. and GASKELL C.M.
1989ApJ...340...90C 36 46 The evolution of low-ionization QSO absorption systems. CAULET A.
1989ApJ...347...52H 2 6 48 Superclustering of quasi-stellar object absorption clouds. HEISLER J., HOGAN C.J. and WHITE S.D.M.
1989ApJS...69....1H 1594 178 The first addition to the new optical catalog of quasi-stellar objects. HEWITT A. and BURBIDGE G.
1988A&AS...74...63M 25 6 Linear polarizations in selected celestial zones. The Orion-Eridanus area. MacLEOD J.M., VALLEE J.P. and BROTEN N.W.
1988ApJ...327..570B 5 19 401 Quasar ionization of Lyman-alpha clouds : the proximity effect, a probe of the ultraviolet background at high redshift. BAJTLIK S., DUNCAN R.C. and OSTRIKER J.P.
1988ApJ...334...22S 48 95 Mg II absorption in the spectra of high and low redshift QSOs. SARGENT W.L.W., STEIDEL C.C. and BOKSENBERG A.
1988BAAS...20.1039G 1 0 A large, low surface brightness object near QSO 0421+019. GULLIXSON C.A. and TYSON J.A.
1987A&A...178....1W 143 11 Observational study of Hubble diagram. WAMPLER E.J.
1987ApJ...321...49T 57 175 The distribution of QSO absorption system column densities: evidence for a single population. TYTLER D.
1987ApJ...321...69T 1 20 80 The redshift distribution of QSO Lyman-alpha absorption systems. TYTLER D.
1987ApJS...64..667T 90 99 High-resolution spectra of 24 low-redshift QSOs: the properties of MgII absorption systems. TYTLER D., BOKSENBERG A., SARGENT W.L.W., et al.
1987JApA....8..231A 21 9 3C 120 and the surrounding region of sky. ARP H.
1986AJ.....91..354Y 661 25 On optical studies of high-velocity clouds. YORK D.G., BURKS G.S. and GIBNEY T.B.
1986Ap&SS.118..473C 31 0 QSO absorption lines (invited rewiew). CHEN J.-S.
1986ApJ...309...19M 5 11 228 Absorption spectrum of the z=3.78 QSO 2000-330. II. The redshift and equivalent width distributions of primordial hydrogen clouds. MURDOCH H.S., HUNSTEAD R.W., PETTINI M., et al.
1985A&AS...61..225A 271 40 UBV photometry of quasars and quasar candidates. II. ADAM G.
1985AJ.....90.1599P 1228 134 A VLBI survey at 2.29 GHz. PRESTON R.A., MORABITO D.D., WILLIAMS J.G., et al.
1985AJ.....90.2001S 155 4 Candidate galaxies for study of the local velocity field and distance scale using space telescope. II. The more difficult cases. SANDAGE A. and BEDKE J.
1985Ap&SS.109..149V 12 0 Common lines in the rest-frame absorption-line spectra of QSOs ? VARSHNI Y.P. and SINGH D.
1985ApJS...57..631K 45 5 The Arecibo-Los Canos spectral line interferometer. KULKARNI S.R., TURNER K.C., HEILES C., et al.
1985MNRAS.217..601P 42 100 The high-redshift evolution of radio galaxies and quasars. PEACOCK J.A.
1984AJ.....89..311L 14 3 Systematics of quasi-stellar-object spectra. LIBBY L.M., RUNCORN S.K. and LEVINE L.H.
1984AJ.....89.1808Z 13 0 On the statistics of quasar absorption lines. ZUIDERWIJK E.J.
1984AZh....61..240A 65 10 Observations of quasars from the Parkes survey at the frequency of 102 MHz. ARTYUKH V.S.
1984ApJ...276..403W 65 84 Spectrophotometry of two complete samples of flat radio spectrum quasars. WAMPLER E.J., GASKELL C.M., BURKE W.L., et al.
1984ApJ...279..465M 240 150 A comparison of the properties of highly polarized QSOs versus low-polarization QSOs. MOORE R.L. and STOCKMAN H.S.
1984MNRAS.211...47S 124 19 Relative orientation of core polarization at lambda 6 cm and the overall radio axes of quasars. SAIKIA D.J. and SHASTRI P.
1983Ap&SS..97...19C 8 13 Singposts of shock waves in the metagalactic medium. CHERNOMORDIK V.V. and OZERNOY L.M.
1983ApJS...51...67L viz 237 24 5 GHz observations of sources in the Arecibo 611 MHz survey. LAWRENCE C.R., BENNETT C.L., GARCIA-BARRETO J.A., et al.
1983Natur.303..153C 7 27 Intergalactic shock waves. CHERNOMORDIK V.V. and OZERNOY L.M.
1982ApJ...252...10Y 3 7 105 A high-resolution study of the absorption spectra of three QSOs: evidence for cosmological evolution in the Lyman-alpha lines. YOUNG P., SARGENT W.L.W. and BOKSENBERG A.
1982IUE82.......80Y 9 ~ Morphology of gaseous halos of galaxies. YORK D.G.
1981ApJ...249..443G 13 59 Abundances of refractory elements in quasars. GASKELL C.M., SHIELDS G.A. and WAMPLER E.J.
1980AJ.....85.1555W 36 34 Optical polarimetry of quasi-stellar and BL Lac objects. WILLS D., WILLS B.J., BREGER M., et al.
1979ApJS...39..291W 129 58 Radio studies of complete samples of QSOs from the 4C and Parkes catalogs. WILLS D.
1978AJ.....83..209S 137 16 Optical identifications of radio sources in the NRAO 5-GHz survey - The 'S2' and 'intermediate' surveys. SHAFFER D.B.
1977A&AS...27..205S 398 12 A comprehensive catalogue of quasi-stellar objects. SMITH-HAENNI A.L.
1977AJ.....82....1R 196 108 Interferometer observations of radio sources in clusters of galaxies. IV. RUDNICK L. and OWEN F.N.
1976AJ.....81..574P 412 12 Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objets. PACHT E.
1976MNRAS.176..275B 101 30 The radio structure of a sample of 101 quasars from the Parkes ±4 degres survey. BENTLEY M., HAVES P., SPENCER R.E., et al.
1975AJ.....80....1K 178 23 Radio spectra and red shifts of 179 QSOs. KRAUS J.D. and GEARHART M.R.
1975MmRAS..80....1M 340 68 Accurate positions and identifications for a complete sample of 341 radio sources from the Parkes ± 4 degres survey. McEWAN N.J., BROWNE I.W.A. and CROWTHER J.H.
1975MmSAI..46..461B 493 7 Catalogue of quasi-stellar-objects. BARBIERI C., CAPACCIOLI M. and ZAMBON M.
1974AJ.....79..437C 384 61 Intensity dependent radio spectral distributions in the Parkes 2700-MHz survey. CONDON J.J. and JAUNCEY D.L.
1974AJ.....79.1220C 462 84 Spectra of sources in the NRAO 5000-MHz surveys. CONDON J.J. and JAUNCEY D.L.
1973A&A....28..319V 48 11 Optical positions of radio sources. II. VERON M.P. and VERON P.
1972AJ.....77..265P 257 123 The NRAO 5-GHz radio source survey. II. The 140-ft "Strong", "Intermediate", and "Deep" source surveys. PAULINY-TOTH I.I.K., KELLERMANN K.I., DAVIS M.M., et al.
1971ApJ...164..237M 78 48 The radio structures of seventy-nine quasi-stellar objects. MacDONALD G.H. and MILEY G.K.
1971AuJPA..19....1W 797 63 The Parkes 2700 MHz survey catalogues for the ±4 declination zone and for selected regions. WALL J.V., SHIMMINS A.J. and MERKELIJN J.K.
1971MNRAS.152..477M 128 198 The radio structure of quasars - A statistical investigation. MILEY G.K.
1970ApJ...159L..45A 63 16 Radio sources with flat spectra. ANDREW B.H. and KRAUS J.D.
1970ApJ...162L..31J 49 22 Improved spectra of some Ohio radio sources with unusual spectra. JAUNCEY D.L., NIELL A.E. and CONDON J.J.

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