C.D.S. - SIMBAD4 rel 1.8 - 2024.04.16CEST15:55:52 IERS B2039-231 -------------- Object ICRF J204254.2-225559 --- QSO --- OID=@4048945 (@@-1,255) --- coobox=19173 Coordinates(ICRS,ep=J2000,eq=2000): 20 42 54.25405521 -22 55 59.9009234 (Rad ) A [0.101481 0.2191 0] 2020A&A...644A.159C Coordinates(FK4,ep=B1950,eq=1950): 20 39 58.83693159 -23 06 49.0262725 Coordinates(Gal,ep=J2000,eq=2000): 022.45853764016 -34.11051721172 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: 0.007 -0.146 [0.513 0.302 90] A 2020yCat.1350....0G Parallax: ~ [~] ~ ~ Radial Velocity: 243936 [~] D 2008ApJS..175...97H Redshift: 2.120 [~] D 2008ApJS..175...97H cz: 635560 [~] D 2008ApJS..175...97H Flux G : 19.522800 [0.005693] C 2020yCat.1350....0G Flux R : 20.30 [~] D 2008ApJS..175...97H Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (23): CRATES J204255-225558 RFC J2042-2255 GLEAM J204254-225558 SPASS J204252-225327 TGSSADR J204254.2-225558 NVSS J204254-225559 WISH B2039.9-2307 WISH B2039.9-2307A Gaia DR3 6855069139323121280 WISEA J204254.29-225559.4 IERS B2039-231 VCS4 J2042-2255 IVS B2039-231 Gaia DR1 6855069139323121280 CGRaBS J2042-2255 [MGL2009] BZQ J2042-2255 [VV2010] J204254.2-225559 PMN J2042-2255 AT20G J204254-225559 [MML2015] 5BZQ J2042-2255 Gaia DR2 6855069139323121280 WISE J204254.29-225559.4 ICRF J204254.2-225559 Bibcodes 1850-2024 () (24): 2021A&A...655A..17S 2021AJ....162...21B 2020A&A...644A.159C 2020MNRAS.494..923C 2019A&A...630A.101K 2019ApJ...873..132M 2019ApJ...880..157D 2019ApJS..242....5X 2017ApJ...841..113M 2017ApJ...851...33P 2017ApJS..228...22L 2016A&A...595A...5M 2016AJ....151..154G 2016ApJS..224...26M 2015AJ....150...58F 2015Ap&SS.357...75M 2014MNRAS.442.3329X 2011MNRAS.417.2651M 2010A&A...518A..10V 2009A&A...495..691M 2009A&A...505..385A 2008ApJS..175...97H 2006AJ....131.1872P 1994ApJS...90..179G Measures (PM:2 velocities:1 ): PM:2velocities:1 Notes (0) : ================================================================================