A2 255

Query : A2 255

Basic data :
A2 255 -- Quasar
Other object types: otypes_help 		QSO (2015MNRAS,[VV2010]), * (PB,Gaia), blu (A2,US), Q? (OMHR), UV ([BCF91]), Opt (SDSS)
ICRS coord. (ep=J2000) : 		12 58 33.9827036016 +31 07 27.647186052 (Optical) [ 0.1124 0.1071 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 56 10.2690947114 +31 23 38.463381881 [ 0.1124 0.1071 90 ]
Gal coord. (ep=J2000) : 		102.0759430402257 +85.7116035749535 [ 0.1124 0.1071 90 ]
Proper motions mas/yr : 		-0.063 0.041 [0.127 0.177 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 234353 [~] / z(spectroscopic) 1.857000 [~] / cz 556714.59 [~]
   (Opt) D 2018A&A...613A..51P
Parallaxes (mas): 		0.0665 [0.1609] A 2020yCat.1350....0G
Fluxes (9) :
B 18.63 [~] D 2010A&A...518A..10V
V 18.46 [~] D 2010A&A...518A..10V
G 17.987011 [0.006049] C 2020yCat.1350....0G
J 17.264 [0.293] C 2010AJ....139.2360S
u (AB) 18.2251 [0.0217] C 2020ApJS..250....8L
g (AB) 18.1761 [0.0171] C 2020ApJS..250....8L
r (AB) 18.1932 [0.0204] C 2020ApJS..250....8L
i (AB) 17.9314 [0.0157] C 2020ApJS..250....8L
z (AB) 17.8934 [0.0214] C 2020ApJS..250....8L
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Identifiers (11) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

SDSS J125833.97+310727.6 OMHR J125834.02+310727.5 US 74 Gaia DR2 1465524415710499968
A2 255 PB 3172 [BCF91] 222 Gaia DR3 1465524415710499968
OMHR 140324 SDSS J125833.98+310727.6 [VV2010] J125834.0+310727

References (24 between 1850 and 2026) (Total 24)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 6    Plx : 2    PM : 2   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : A2 255

Link by name to the catalogue in VizieR :

SDSS J125833.97+310727.6 OMHR 140324 OMHR J125834.02+310727.5 PB 3172 SDSS J125833.98+310727.6
Gaia DR2 1465524415710499968 Gaia DR3 1465524415710499968

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