C.D.S.  -  SIMBAD4 rel 1.8  -  2024.04.23CEST10:55:27

4C 54.42
--------

Object 4C 54.42  ---  QSO  ---  OID=@196802   (@@9650,7)  ---  coobox=223

Coordinates(ICRS,ep=J2000,eq=2000): 20 31 47.9586852408  +54 55 03.138662316 (Opt ) A [0.0468 0.0464 90] 2020yCat.1350....0G
Coordinates(FK4,ep=B1950,eq=1950): 20 30 29.1128388676  +54 44 49.171273008
Coordinates(Gal,ep=J2000,eq=2000): 091.1294588565303  +08.9882971171657
hierarchy counts: #parents=0, #children=0, #siblings=0
Proper motions: -0.083 -0.027 [0.061 0.063 90] A 2020yCat.1350....0G
Parallax: ~ [~] ~ ~                  
Radial Velocity: 201331 [~] D 2013ApJ...767...14P
Redshift: 1.256 [~] D 2013ApJ...767...14P
cz: 376539 [~] D 2013ApJ...767...14P
Flux B : 18.7 [~] E ~                  
Flux G : 17.056128 [0.003420] C 2020yCat.1350....0G
Flux J : 15.383 [0.054] C 2003yCat.2246....0C
Flux H : 14.833 [0.06] C 2003yCat.2246....0C
Flux K : 14.405 [0.112] C 2003yCat.2246....0C
Spectral type: ~ ~ ~
Morphological type: ~ ~ ~
Angular size:     ~     ~   ~ (~)  ~ ~

Identifiers (34):
   VLSSr J203148.6+545506               RFC J2031+5455                       TGSSADR J203147.8+545505           
   Gaia DR3 2186536273796890752         TIC 276394163                        4C 54.42                           
   IERS B2030+547                       JVAS B2030+547                       JVAS J2031+549                     
   OHIO W 551                           RORF 2030+547                        TXS 2030+547                       
   Gaia DR1 2186536273796890752         1RXS J203148.4+545454                ICRF J203147.9+545503              
   RGB J2031.8+5455                     RX J2031.7+5455                      [BSF97] J203147.96+545503.3        
   IVS B2030+547                        [MML2015] 5BZQ J2031+5455            MASIV J2031+5455                   
   GB6 B2030+5444                       87GB 203030.3+544455                 BWE 2030+5444                      
   WN B2030.4+5444                      NVSS J203147+545505                  MY 203029.4+545510.8               
   WB 2030+5444                         RGB J2031+549                        CLASS J203147.9613+545503.149      
   2MASS J20314798+5455032              Gaia DR2 2186536273796890752         WISE J203147.95+545503.2           
   WISEA J203147.95+545503.2                                                                                    

Bibcodes  1850-2024 () (44):
  2021A&A...655A..17S  2020A&A...644A.159C  2020MNRAS.493L..54K  2019A&A...630A.101K
  2019ApJS..242....4D  2019ApJS..242....5X  2018ApJ...861..113D  2017ApJ...835L..30M
  2017ApJ...841..113M  2017ApJS..228...22L  2017ApJS..233....3T  2016A&A...595A...5M
  2016ApJS..224...26M  2015AJ....150...58F  2015Ap&SS.357...75M  2014ApJS..212...15F
  2014ApJS..213....3M  2014MNRAS.442.3329X  2013ApJ...767...14P  2012A&A...544A..34P
  2011A&A...529A..91T  2010A&A...511A..53V  2010A&A...518A..45L  2010Ap.....53..147M
  2010MNRAS.406L..45S  2009A&A...505..385A  2008ApJ...675.1352V  2004ARep...48..941T
  2004ApJ...614..607O  2000A&A...363..141R  2000AJ....119.1470D  2000ApJS..128...17F
  1998AJ....116..516M  1997A&A...323..739B  1995AJ....110..880J  1993KFNT....9b..15K
  1992MNRAS.254..655P  1991AJ....101.2266R  1989A&AS...79..283W  1988AJ.....95.1647S
  1985AJ.....90.1599P  1984A&A...130..191A  1984AJ.....89..987F  1983ApJS...53..591D

Measures (PM:3  velocities:1  ):
PM:3velocities:1

Notes (1) :
(S) 12-Nov-2015 - bc    ref:~    obj:GB6 B2030+5444
    See also \vizier{VIII/85A/spectra}{Seq=  86283 }{Specfind radio flux densities}.

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