3C 21

Query : 3C 21

Basic data :
3C 21 -- Radio Galaxy
Other object types: otypes_help 		Rad (3C,BWE,...), GiC (2016ApJS,[BGH82],...), G (2023ApJS,LEDA,...), rG (2019ApJ,[OWB92]), X (2CXO,RX), * (Gaia), MIR (WISEA), Opt (SDSS)
ICRS coord. (ep=J2000) : 		00 46 29.3271965064 +20 28 04.765382328 (Optical) [ 13.4076 8.2716 90 ] C 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 43 50.7208212473 +20 11 42.001411051 [ 13.4076 8.2716 90 ]
Gal coord. (ep=J2000) : 		121.3624132354026 -42.3886744909464 [ 13.4076 8.2716 90 ]
Radial velocity / Redshift / cz : 		V(km/s) 29342 [3] / z(spectroscopic) 0.10317 [0.00001] / cz 30929.6 [3.0]
   (Opt) C 2015ApJS..219...12A
Morphological type: 		E D ~
Angular size (arcmin): 		0.45745 0.410012 110 (Opt) B 2023ApJS..269....3M
Fluxes (11) :
B 14.73 [~] E ~
V 16.5 [~] E ~
G 20.996365 [0.029376] C 2020yCat.1350....0G
J 12.809 [0.063] C 2006AJ....131.1163S
H 12.278 [0.082] C 2006AJ....131.1163S
K 11.770 [0.112] C 2006AJ....131.1163S
u (AB) 18.235 [0.05] C 2016ApJS..224....1R
g (AB) 16.059 [0.004] B 2016ApJS..224....1R
r (AB) 15.022 [0.003] B 2016ApJS..224....1R
i (AB) 14.601 [0.003] B 2016ApJS..224....1R
z (AB) 14.230 [0.005] B 2016ApJS..224....1R
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 142 Display criteria :

Identifiers (34) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

3C 21 LEDA 2715 RGB J0046+204 [OWB92] ACO 98
BWE 0043+2011 2MASX J00462934+2028048 RX J0046.5+2027 [OWH82] 004353.2+201320
4C 20.04 MITG J004630+2028 SDSS J004629.32+202804.8 [PBL2000] ACO 98 202
Cul 0043+201 NRAO 39 VLSS J0046.5+2026 [SGH83] ACO 98 G1
2CXO J004629.2+202805 NVSS J004629+202700 VRO 20.00.02 [WKS75] 004351+201153
DES J004629.32+202804.8 PKS 0043+20 WB 0043+2011 [ZHG90] 0043+2011A
GB6 B0043+2011 PKS 0043+201 WISEA J004629.33+202804.9 Gaia DR3 2801450319271173632
87GB 004350.5+201137 PKS J0046+2028 [BGH82] 401
GLEAM J004629+202749 RGB J0046.5+2028 [LO95] 0043+201

References (54 between 1850 and 2026) (Total 54)
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   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 3C 21

Link by name to the catalogue in VizieR :

3C 21 BWE 0043+2011 4C 20.04 2MASX J00462934+2028048 MITG J004630+2028
NVSS J004629+202700 PKS 0043+20 PKS 0043+201 PKS J0046+2028 SDSS J004629.32+202804.8
WISEA J004629.33+202804.9 Gaia DR3 2801450319271173632

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