QSO B2257-270

Query : QSO B2257-270

Basic data :
QSO B2257-270 -- Blazar
Other object types: otypes_help 		Rad (2020A&A,CRATES,...), QSO (2010A&A,QSO,...), Bla (2009A&A,[MGL2009],...), MIR (WISEA,WISE), G (LEDA), * (Gaia)
ICRS coord. (ep=J2000) : 		23 00 25.50070789 -26 44 22.7805840 (Radio) [ 0.195481 0.505 0 ] A 2020A&A...644A.159C
FK4 coord. (ep=B1950 eq=1950) : 		22 57 42.83109111 -27 00 29.9837368 [ 0.195481 0.505 0 ]
Gal coord. (ep=J2000) : 		027.42911182833 -65.30475636145 [ 0.195481 0.505 0 ]
Proper motions mas/yr : 		0.578 0.077 [0.403 0.493 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 215706 [~] / z(~) 1.476 [~] / cz 442494 [~]
   D 2001AJ....121.2843B
Parallaxes (mas): 		0.4471 [1.2948] A 2018yCat.1345....0G
Fluxes (3) :
V 18.5 [~] E ~
R 18.4 [~] E 2009A&A...495..691M
G 19.682930 [0.014906] C 2020yCat.1350....0G
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Identifiers (36) :
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QSO B2257-270 MRC 2257-270 VCS1 J2300-2644 [VV2000] J230025.5-264423
CRATES J230025-264420 NVSS J230025-264421 VLSSr J230024.8-264419 [VV2003] J230025.5-264423
GLEAM J230025-264421 OHIO Y -297 VLSS J2300.4-2644 [VV2006] J230025.5-264423
ICRF J230025.5-264422 PKS 2257-270 WISEA J230025.50-264423.2 [VV2010] J230025.5-264423
IERS B2257-270 PKS J2300-2644 WISE J230025.50-264423.2 [VV96] J230025.5-264423
IVS B2257-270 PMN J2300-2644 [HB93] 2257-270 [VV98] J230025.5-264423
1Jy 2257-270 SPASS J230026-264421 [MGL2009] BZQ J2300-2644 [WPW2003] J2300-2644
KGS J230025-264421 TGSSADR J230025.4-264423 [MML2015] 5BZQ J2300-2644 Gaia DR2 6609874094958742912
LEDA 2831567 TXS 2257-270 [QC93] 2257-270 Gaia DR3 6609874094958742912

References (39 between 1850 and 2026) (Total 39)
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 : 2    Plx : 1    PM : 2   

   

Observing logs
ISO : 2   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : QSO B2257-270

Link by name to the catalogue in VizieR :

IERS B2257-270 NVSS J230025-264421 PKS 2257-270 PKS J2300-2644 PMN J2300-2644
WISEA J230025.50-264423.2 WISE J230025.50-264423.2 Gaia DR2 6609874094958742912 Gaia DR3 6609874094958742912

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