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Date and Time of the Query: 2019-08-21 T03:49:14 PDT
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Reference(s) for object 4C +21.26

56 reference(s) found in NED.


1. 2016AJ....151...20K Krawczyk, Colem... Erratum: "Mining for Dust in Type 1 Quasars" (2015, AJ, 149, 203)
2. 2015MNRAS.452.4274P Pushkarev, A. B... Milky Way scattering properties and intrinsic sizes of active galactic nuclei co...
3. 2015MNRAS.452.4153A Albareti, Franc... Constraint on the time variation of the fine-structure constant with the SDSS-II...
4. 2015ApJS..221...12S Secrest, N. J.;... Identification of 1.4 Million Active Galactic Nuclei in the Mid-Infrared using W...
5. 2015ApJS..219...39R Richards, Gordo... Bayesian High-redshift Quasar Classification from Optical and Mid-IR Photometry
6. 2015AJ....149..203K Krawczyk, Colem... Mining for Dust in Type 1 Quasars
7. 2015A&A...583A..75S Souchay, J.; An... The third release of the Large Quasar Astrometric Catalog (LQAC-3): a compilatio...
8. 2014ApJ...786....3S Shih, Hsin-Yi; ... The Three-dimensional Properties and Energetics of Radio-jet-driven Outflows
9. 2013MNRAS.431..836S Stern, Jonathan... Type 1 AGN at low z - III. The optical narrow-line ratios
10. 2013MNRAS.430.3086G Gendre, M. A.; ... The relation between morphology, accretion modes and environmental factors in lo...
11. 2013ApJS..206....4K Krawczyk, Colem... Mean Spectral Energy Distributions and Bolometric Corrections for Luminous Quasa...
12. 2013ApJ...768...37C Condon, J. J.; ... Active Galactic Nucleus and Starburst Radio Emission from Optically Selected Qua...
13. 2012MNRAS.426.2703S Stern, Jonathan... Type 1 AGN at low z - II. The relative strength of narrow lines and the nature o...
14. 2012MNRAS.423..600S Stern, Jonathan... Type 1 AGN at low z- I. Emission properties
15. 2012ApJ...751...52E Edelson, R.; Ma... Reliable Identifications of Active Galactic Nuclei from the WISE, 2MASS, and ROS...
16. 2012ApJ...747...10W Wu, Jianfeng; B... X-Ray and Multiwavelength Insights into the Nature of Weak Emission-line Quasars...
17. 2012AJ....144...49W Wu, Xue-Bing; H... SDSS Quasars in the WISE Preliminary Data Release and Quasar Candidate Selection...
18. 2012A&A...537A..99S Souchay, J.; An... The second release of the Large Quasar Astrometric Catalog (LQAC-2)
19. 2011ApJS..194...45S Shen, Yue; Rich... A Catalog of Quasar Properties from Sloan Digital Sky Survey Data Release 7
20. 2010MNRAS.405.2302H Hewett, Paul C.... Improved redshifts for SDSS quasar spectra
21. 2010MNRAS.404.1719G Gendre, M. A.; ... The Combined NVSS-FIRST Galaxies (CoNFIG) sample - II. Comparison of space densi...
22. 2010AJ....139.2360S Schneider, Dona... The Sloan Digital Sky Survey Quasar Catalog. V. Seventh Data Release
23. 2009MNRAS.396..223D D'Abrusco, R.; ... Quasar candidates selection in the Virtual Observatory era
24. 2009ApJS..184..138H Haakonsen, Chri... XID II: Statistical Cross-Association of ROSAT Bright Source Catalog X-ray Sourc...
25. 2009ApJS..180...67R Richards, Gordo... Efficient Photometric Selection of Quasars from the Sloan Digital Sky Survey. II...
26. 2008MNRAS.390..819G Gendre, M. A.; ... The Combined NVSS-FIRST Galaxies (CoNFIG) sample - I. Sample definition, classif...
27. 2007AJ....134.1245C Cohen, A. S.; L... The VLA Low-Frequency Sky Survey
28. 2004ApJ...616.1284M McGlynn, T. A.;... Automated Classification of ROSAT Sources Using Heterogeneous Multiwavelength So...
29. 2004A&A...416...35W Wadadekar, Y. Radio emission from AGN detected by the VLA FIRST survey
30. 2003A&A...412...45P Paturel, G.; Pe... HYPERLEDA. I. Identification and designation of galaxies
31. 2003A&A...406..535Z Zickgraf, F.-J.... The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic la...
32. 2001A&A...374...92V Veron Cetty, M.... A catalogue of quasars and active nuclei: 10th edition
33. 2000ApJS..129..547B Bauer, F., Cond... RBSC-NVSS Sample. I. Radio and Optical Identifications of a Complete Sample of 1...
34. 2000A&A...363..141R Reich, W., Furs... Radio-loud active galaxies in the northern ROSAT All-Sky Survey. IV. Properties ...
35. 1998A&AS..127..145B Bade, N., Engel... The Hamburg/RASS Catalogue of optical identifications
36. 1997A&AS..122..235L Laurent-Muehlei... Radio-loud active galaxies in the northern ROSAT All-Sky Survey
37. 1996MNRAS.282..779W Waldram, E. M.,... The 7C survey of radio sources at 151 MHz - a region covering RA 9^h^ to 16^h^ a...
38. 1996AJ....111.1945D DOUGLAS, J. N.,... THE TEXAS SURVEY OF RADIO SOURCES COVERING -35.5^deg^ <{delta} < 71.5^deg^ AT 36...
39. 1995AuJPh..48..143S SLEE, O. Radio sources observed with the Culgoora circular array
40. 1995A&AS..109..147B Brinkmann, W., ... The ROSAT AGN content of the 87GB 5 GHz survey: bulk properties of previously op...
41. 1994A&AS..106..303N Neumann, M., Re... Multifrequency observations of ROSAT selected radio sources
42. 1992ApJS...79..331W WHITE, R. L., A... A NEW CATALOG OF 30,239 1.4 GHz SOURCES
43. 1991ApJS...75.1011G GREGORY, P. C.,... THE 87GB CATALOG OF RADIO SOURCES COVERING 0^deg^ < {delta} < +75^deg^ AT 4.85 G...
44. 1991ApJS...75....1B BECKER, R. L., ... A NEW CATALOG OF 53,522 4.85 GHz SOURCES
45. 1990ApJS...72..621L LANGSTON, G. I.... THE SECOND MIT-GREEN BANK 5 GHz SURVEY
46. 1982PASAu...4..278S SLEE, O., SIEGM... Spectra, dimensions and luminosities of radio sources in the Culgoora-3 list
47. 1981A&AS...43..195V VERON, M. P., V... A STUDY OF THE 4C CATALOGUE OF RADIOSOURCES BETWEEN DECLINATIONS 20^deg^ AND 40^...
48. 1980A&AS...40..191V VERON, M. P., A... A STUDY OF THE 4C CATALOGUE OF RADIO SOURCES, BETWEEN DECLINATIONS 20^DEG^ AND 4...
49. 1977AuJPA..43....1S SLEE, O. Culgoora-3 list of radio source measurements
50. 1975AJ.....80..931V Viner, M., Eric... 26.3-MHz radio source survey. II - Radio source positions and fluxes
51. 1973AuJPA..27....1S SLEE, O., HIGGI... Culgoora-1 list of radio source measurements at 80 MHz
52. 1973AJ.....78..369H Harris, D. Interplanetary-scintillation observations of 203 sources identified as radio gal...
53. 1970AJ.....75..764O OLSEN, E. T. OPTICAL IDENTIFICATION OF RADIO SOURCES SELECTED FROM THE 4C CATALOGUE
54. 1968AuJPh..21..903M Merkelijn, J. K... Accurate Positions and Identifications of 75 Radio Sources Between Declination +...
55. 1967AJ.....72..738O Olsen, E. T. Accurate positions of selected 4C sources
56. 1965MmRAS..69..183P Pilkington, J. ... A Survey of Radio Sources Between Declinations 20^deg^ and 40^deg^

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