BD-21 953

Query : BD-21 953

Basic data :
BD-21 953 -- Double or Multiple Star
Other object types: otypes_help 		* (BD,CPD,...), ** (2002A&A,CCDM,...), MIR (WISEA,WISE), UV (TD1), NIR (2MASS)
ICRS coord. (ep=J2000) : 		04 42 31.7242238 -20 58 23.211515 (Optical) [ 0.54 0.49 90 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		04 40 22.1602412 -21 04 00.057033 [ 0.54 0.49 90 ]
Gal coord. (ep=J2000) : 		219.5392835128 -37.3281143045 [ 0.54 0.49 90 ]
Proper motions mas/yr : 		2.12 -1.86 [0.62 0.58 0] A 2007A&A...474..653V
Radial velocity / Redshift / cz : 		V(km/s) 32.10 [0.50] / z(spectroscopic) 0.000107 [0.000002] / cz 32.10 [0.50]
   (Opt) A 2022yCat.1355....0G
Parallaxes (mas): 		2.58 [0.77] A 2007A&A...474..653V
Spectral type: 		G8/K0(III)+A5/7V D 1988MSS...C04....0H
Angular size (arcmin): 		0.0033 0.0 88 (Opt) D 2001AJ....122.3466M
Fluxes (7) :
B 8.285 [0.016] D 2000A&A...355L..27H
V 7.755 [0.011] D 2000A&A...355L..27H
R 8.50 [0.18] E 2012yCat.1322....0Z
G 7.644574 [0.003261] C 2022yCat.1355....0G
J 6.543 [0.023] C 2003yCat.2246....0C
H 6.20 [0.03] C 2003yCat.2246....0C
K 6.121 [0.020] C 2003yCat.2246....0C
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Identifiers (26) :
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CCDM J04425-2058AB HIC 21900 TD1 3488 WISEA J044231.71-205823.2
** DON 75 HIP 21900 TIC 121642276 WISE J044231.71-205823.1
BD-21 953 IDS 04382-2110 AB TYC 5898-1967-1 YZ 111 1470
CPD-21 634 2MASS J04423172-2058231 UCAC3 139-13185 Gaia DR2 2977091769892115968
GEN# +1.00029961 PPM 247905 UCAC4 346-005754 Gaia DR3 2977091769892115968
HD 29961 SAO 169681 uvby98 100029961
HD 29962 SKY# 7309 WDS J04425-2058AB

References (18 between 1850 and 2026) (Total 18)
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 : 2    Plx : 2    PM : 3    SpT : 5   

   

External archives :

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

Link by name to the catalogue in VizieR :

CCDM J04425-2058AB BD-21 953 CPD-21 634 HD 29961 HD 29962
HIC 21900 HIP 21900 2MASS J04423172-2058231 PPM 247905 SAO 169681
TD1 3488 TYC 5898-1967-1 UCAC3 139-13185 UCAC4 346-005754 uvby98 100029961
WDS J04425-2058AB WISEA J044231.71-205823.2 WISE J044231.71-205823.1 Gaia DR2 2977091769892115968 Gaia DR3 2977091769892115968

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