SIMBAD query result

Object query : 4C 31.56

C.D.S. - SIMBAD4 rel 1.207 - 2013.05.22CEST20:21:41

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

Basic data :
4C 31.56 -- Possible Blazar	with radius arcmin

Other object types:	`Rad` `(4C,BWE,87GB,ICRF,IERS,JVAS,RORF,TXS,WB)` , `Bz?` `([SRM2005])` , `QSO` `(QSO)`
ICRS coord. (ep=J2000) :	`20 23 19.01753 +31 53 02.3036 ( Radio ) [ 2.18 1.63 0 ] A 2010AJ....139.1695L`
FK5 coord. (ep=J2000 eq=2000) :	`20 23 19.018 +31 53 02.30 ( Radio ) [ 2.18 1.63 0 ] A 2010AJ....139.1695L`
FK4 coord. (ep=B1950 eq=1950) :	`20 21 18.93 +31 43 19.2 ( Radio ) [ 2.18 1.63 0 ] A 2010AJ....139.1695L`
Gal coord. (ep=J2000) :	`071.4015 -03.0989 ( Radio ) [ 2.18 1.63 0 ] A 2010AJ....139.1695L`
Angular size (arcmin):	`0.0000125 0.0000065 22 (~) (Rad) D 2010AJ....139.1713C`

Identifiers (13) :

`4C 31.56`	`IERS B2021+317`	`QSO J2023+3153`	`[SRM2005] J202319.01+315302.3`
`BWE 2021+3143`	`JVAS B2021+317`	`RORF 2021+317`
`87GB 202119.0+314314`	`JVAS J2023+3153`	`TXS 2021+317`
`ICRF J202319.0+315302`	`QSO B2021+317`	`WB 2021+3143`

Plots and Images

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References (68 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 (1 types) :

External archives :

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 5 arcsec)

4C 31.56 BWE 2021+3143 IERS B2021+317

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

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