BD+21 55

Query : BD+21 55

Basic data :
BD+21 55 -- Spectroscopic Binary
Other object types: otypes_help 		* (BD,AG,...), PM* (2016ApJ,Ci,...), ** (**,WDS), SB* (2022yCat), NIR (2MASS), MIR (WISEA)
ICRS coord. (ep=J2000) : 		00 30 31.0319956248 +22 46 08.182743564 (Optical) [ 0.1721 0.1202 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 27 53.0629547320 +22 29 43.173741722 [ 0.1721 0.1202 90 ]
Gal coord. (ep=J2000) : 		116.6466012197506 -39.8473518789885 [ 0.1721 0.1202 90 ]
Proper motions mas/yr : 		185.181 -180.403 [0.239 0.194 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 22.34 [0.22] / z(spectroscopic) 0.000075 [0.000001] / cz 22.34 [0.22]
   (Opt) A 2022yCat.1355....0G
Parallaxes (mas): 		27.2925 [0.2163] A 2020yCat.1350....0G
Spectral type: 		K2 D 1985ApJS...59..197B
Fluxes (7) :
B 10.14 [0.04] D 2000A&A...355L..27H
V 9.09 [0.02] D 2000A&A...355L..27H
R 8.5 [~] E 2003AJ....125..984M
G 8.919854 [0.002761] C 2022yCat.1355....0G
J 7.451 [0.017] C 2003yCat.2246....0C
H 7.017 [0.038] C 2003yCat.2246....0C
K 6.874 [0.018] C 2003yCat.2246....0C
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Identifiers (30) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

BD+21 55 GSC 01731-01585 SAO 74047 WISEA J003031.16+224606.3
** DEA 36A HIC 2397 TIC 242604213 YZC 25 134
AG+22 50 HIP 2397 TYC 1731-1585-1 YZ 22 134
ASCC 740606 LSPM J0030+2246 UBV M 1061 [K37] 2-11
Ci 18 54 LTT 10173 UCAC2 39782410 Gaia DR2 2806028513890183936
GC 591 2MASS J00303098+2246086 USNO-B1.0 1127-00008087 Gaia DR3 2806028513890183936
GEN# +0.02100055 NLTT 1625 uvby98 002100055
G 131-71 PPM 89842 WDS J00305+2246A

References (36 between 1850 and 2026) (Total 36)
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 : 3    Distance : 2    Var : 1    Rot : 2    Fe/H : 1    Plx : 4    PM : 6    SpT : 1   

   

External archives :

Link by name to the catalogue in VizieR :

BD+21 55 AG+22 50 G 131-71 GSC 01731-01585 HIC 2397
HIP 2397 LSPM J0030+2246 2MASS J00303098+2246086 NLTT 1625 PPM 89842
SAO 74047 TYC 1731-1585-1 UCAC2 39782410 USNO-B1.0 1127-00008087 uvby98 002100055
WDS J00305+2246A WISEA J003031.16+224606.3 YZC 25 134 Gaia DR2 2806028513890183936 Gaia DR3 2806028513890183936

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