SIMBAD query result

Object query : QSO B1255+244

C.D.S. - SIMBAD4 rel 1.207 - 2013.05.25CEST12:58:28

Available data : Basic data • Identifiers • Plot & images • Bibliography • Measurements • External archives • Notes • Annotations

Basic data :
QSO B1255+244 -- BL Lac - type object	with radius arcmin

Other object types: V* () , BLL (SHBL,[VV2000b],[VV2003b],[VV2006b],[VV2010b],[VV98b]) , X (1ES,RBS,RX,1RXS,2XMM) , Bla ([DGT2001],[MGL2009]) , GiC (CAIRNS) , QSO (QSO) , G (2MASX) , Rad (FIRST)

ICRS coord. (ep=J2000) : 12 57 31.923 +24 12 39.87 ( Infrared ) [ ~ ~ ~ ] B 2006AJ....131.1163S

FK5 coord. (ep=J2000 eq=2000) : 12 57 31.923 +24 12 39.87 ( Infrared ) [ ~ ~ ~ ] B 2006AJ....131.1163S

FK4 coord. (ep=B1950 eq=1950) : 12 55 05.52 +24 28 51.9 ( Infrared ) [ ~ ~ ~ ] B 2006AJ....131.1163S

Gal coord. (ep=J2000) : 328.4730 +86.7759 ( Infrared ) [ ~ ~ ~ ] B 2006AJ....131.1163S

Radial velocity / Redshift / cz : V(km/s) 39200 [51] / z(spectroscopic) 0.14055 [0.00017] / cz 42135.8 [51.0] (~) C 2009yCat.2294....0A

Spectral type: B... D ~

Angular size (arcmin): 0.217 0.217 90 (~) (IR) C 2006AJ....131.1163S

Fluxes (10) :

V 15.4 [~] D ~

R 15.7 [~] E 2009A&A...495..691M

J 14.892 [0.128] C 2006AJ....131.1163S

H 14.359 [0.108] C 2006AJ....131.1163S

K 13.668 [0.164] C 2006AJ....131.1163S

u (AB) 18.318 [0.02] D 2009yCat.2294....0A

g (AB) 17.603 [0.006] C 2009yCat.2294....0A

r (AB) 16.882 [0.005] C 2009yCat.2294....0A

i (AB) 16.519 [0.004] C 2009yCat.2294....0A

z (AB) 16.171 [0.009] C 2009yCat.2294....0A

Identifiers (20) :

`QSO B1255+244`	`RBS 1189`	`SHBL J125731.9+241240`	`[VV2000b] J125731.9+241240`
`CAIRNS J125731.90+241240.0`	`RX J125731.7+241245`	*`SV SON 10941`**	`[VV2003b] J125731.9+241240`
`1ES 1255+24.4`	`RX J1257.5+2412`	`2XMM J125731.9+241241`	`[VV2006b] J125731.9+241240`
`FIRST J125731.9+241240`	`1RXS J125731.7+241245`	`[DGT2001] B1255+244`	`[VV2010b] J125731.9+241240`
`2MASX J12573192+2412398`	`SDSS J125731.93+241240.2`	`[MGL2009] BZB J1257+2412`	`[VV98b] J125731.9+241240`

Plots and Images

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References (55 between 1850 and 2013)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

Measurements (6 types) :

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

FIRST J125731.9+241240 2MASX J12573192+2412398 1RXS J125731.7+241245 SDSS J125731.93+241240.2

Annotations :
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The list of all annotations to SIMBAD objects can be found here .

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