BD+20 644

Query : BD+20 644

Basic data :
BD+20 644 -- Spectroscopic Binary
Other object types: otypes_help 		* (BD,AG,...), SB* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		03 50 26.5010155152 +20 56 43.838246544 (Optical) [ 0.0251 0.0158 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		03 47 31.3268262217 +20 47 41.792426493 [ 0.0251 0.0158 90 ]
Gal coord. (ep=J2000) : 		169.5866785040899 -25.2948145313888 [ 0.0251 0.0158 90 ]
Proper motions mas/yr : 		2.354 -3.468 [0.032 0.021 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 62.47 [0.87] / z(spectroscopic) 0.000208 [0.000003] / cz 62.48 [0.87]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		1.5796 [0.0276] A 2020yCat.1350....0G
Spectral type: 		K0 D ~
Fluxes (6) :
B 10.87 [0.08] D 2000A&A...355L..27H
V 9.52 [0.03] D 2000A&A...355L..27H
G 9.084969 [0.002762] C 2020yCat.1350....0G
J 7.061 [0.023] C 2003yCat.2246....0C
H 6.403 [0.018] C 2003yCat.2246....0C
K 6.243 [0.020] C 2003yCat.2246....0C
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Identifiers (13) :
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BD+20 644 2MASS J03502649+2056438 TYC 1260-1121-1 Gaia DR1 63621041318029824
AG+20 341 PPM 92969 YZ 20 1220
EPIC 210871118 SAO 76260 Gaia DR2 63621041318029824
GSC 01260-01121 TIC 440697337 Gaia DR3 63621041318029824

References (6 between 1850 and 2026) (Total 6)
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 : 1    Distance : 2    Var : 1    Plx : 3    PM : 3   

   

External archives :

Link by name to the catalogue in VizieR :

BD+20 644 AG+20 341 GSC 01260-01121 2MASS J03502649+2056438 PPM 92969
SAO 76260 TYC 1260-1121-1 Gaia DR2 63621041318029824 Gaia DR3 63621041318029824 Gaia DR1 63621041318029824

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