4C 57.21

Query : 4C 57.21

Basic data :
4C 57.21 -- BL Lac
Other object types: otypes_help 		Rad (4C,BWE,...), MIR (WISEA,WISE), BLL (2019ApJS), * (Gaia), X (2XMM), Opt (SDSS)
ICRS coord. (ep=J2000) : 		12 46 38.9472407136 +56 49 20.870795064 (Optical) [ 0.3587 0.3070 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 44 25.4612171846 +57 05 43.135958538 [ 0.3587 0.3070 90 ]
Gal coord. (ep=J2000) : 		124.2539905126305 +60.2934938507033 [ 0.3587 0.3070 90 ]
Proper motions mas/yr : 		0.360 -0.599 [0.384 0.392 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.9483 [0.3367] A 2020yCat.1350....0G
Fluxes (6) :
G 19.839464 [0.015395] C 2020yCat.1350....0G
u (AB) 20.477 [0.081] D 2009ApJS..182..543A
g (AB) 19.771 [0.018] D 2009ApJS..182..543A
r (AB) 19.717 [0.022] D 2009ApJS..182..543A
i (AB) 19.369 [0.023] D 2009ApJS..182..543A
z (AB) 19.017 [0.054] D 2009ApJS..182..543A
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Identifiers (24) :
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4C 57.21 87GB 124424.9+570535 TGSSADR J124638.8+564921 WISEA J124638.92+564920.7
BWE 1244+5705 MY 124425.2+570504.1 TXS 1244+570 WISE J124638.93+564920.7
6C 124425+570542 MY 124425.2+564841.9 UT 1244+570 WN B1244.4+5705
7C 124425.60+570545.00 NVSS J124638+564921 VLSSr J124638.7+564922 2XMM J124638.9+564920
FIRST J124638.9+564920 OHIO N 574 VLSS J1246.6+5649 Gaia DR3 1577532141972522880
GB6 B1244+5705 SDSS J124638.95+564920.9 WB 1244+5705 Gaia DR2 1577532141972522880

References (10 between 1850 and 2026) (Total 10)
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

Plx : 2    PM : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 4C 57.21

Link by name to the catalogue in VizieR :

4C 57.21 BWE 1244+5705 FIRST J124638.9+564920 NVSS J124638+564921 SDSS J124638.95+564920.9
WISEA J124638.92+564920.7 WISE J124638.93+564920.7 WN B1244.4+5705 Gaia DR3 1577532141972522880 Gaia DR2 1577532141972522880

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