RX J1257.5+2412

Query : RX J1257.5+2412

Basic data :
RX J1257.5+2412 -- BL Lac
Other object types: otypes_help 		V* (), BLL (2010A&A,SHBL,...), X (2009A&A,1ES,...), Bla (2016ApJS,[DGT2001],...), Bz? (2019A&A,3HSP,...), Rad (FIRST,ILT,...), G (2020ApJS,2MASX), MIR (WISEA,WISE), QSO (QSO), LIN (2016MNRAS), rG (2018AJ), BL? (2021MNRAS), GiC (CAIRNS), * (Gaia), gam (4FGL), NIR (2MASS), Opt (SDSS)
ICRS coord. (ep=J2000) : 		12 57 31.9330943592 +24 12 40.164677136 (Optical) [ 0.2200 0.1839 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 55 05.5273870572 +24 28 52.129777762 [ 0.2200 0.1839 90 ]
Gal coord. (ep=J2000) : 		328.4742191476738 +86.7759591878445 [ 0.2200 0.1839 90 ]
Proper motions mas/yr : 		-0.231 0.440 [0.353 0.314 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 39205 [9] / z(spectroscopic) 0.14057 [0.00003] / cz 42141.8 [9.0]
   (Opt) C 2012ApJS..203...21A
Angular size (arcmin): 		0.143 0.143 90 (NIR) C 2006AJ....131.1163S
Fluxes (10) :
R 15.7 [~] E 2009A&A...495..691M
G 18.698536 [0.013032] C 2020yCat.1350....0G
J 14.892 [0.128] D 2006AJ....131.1163S
H 14.359 [0.108] D 2006AJ....131.1163S
K 13.668 [0.164] D 2006AJ....131.1163S
u (AB) 18.354 [0.018] C 2012ApJS..203...21A
g (AB) 17.600 [0.006] B 2012ApJS..203...21A
r (AB) 16.877 [0.005] B 2012ApJS..203...21A
i (AB) 16.515 [0.005] B 2012ApJS..203...21A
z (AB) 16.167 [0.009] B 2012ApJS..203...21A
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Identifiers (33) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B1255+244 NVSS J125731+241238 2WHSP J125731.9+241239 [VV2003b] J125731.9+241240
CAIRNS J125731.90+241240.0 RBS 1189 WISEA J125731.93+241240.2 [VV2006b] J125731.9+241240
1ES 1255+24.4 RX J1257.5+2412 WISE J125731.93+241240.2 [VV2010b] J125731.9+241240
4FGL J1257.6+2413 1RXS J125731.7+241245 2XMM J125731.9+241241 [VV98b] J125731.9+241240
FIRST J125731.9+241240 SDSS J125731.93+241240.2 3XMM J125731.9+241240 Gaia DR3 3956903964796599808
3HSP J125731.9+241240 SDSS J125731.93+241240.1 [DGT2001] B1255+244 Gaia DR2 3956903964796599808
ILT J125731.89+241240.1 SHBL J125731.9+241240 [MGL2009] BZB J1257+2412
2MASS J12573193+2412401 SV* SON 10941 [MML2015] 5BZB J1257+2412
2MASX J12573192+2412398 TIC 359120477 [VV2000b] J125731.9+241240

References (91 between 1850 and 2026) (Total 91)
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 : 5    PM : 2   

   

Observing logs
XMM : 3   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : RX J1257.5+2412

Link by name to the catalogue in VizieR :

FIRST J125731.9+241240 2MASS J12573193+2412401 2MASX J12573192+2412398 NVSS J125731+241238 1RXS J125731.7+241245
SDSS J125731.93+241240.2 SDSS J125731.93+241240.1 WISEA J125731.93+241240.2 WISE J125731.93+241240.2 Gaia DR3 3956903964796599808
Gaia DR2 3956903964796599808

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