BD+20 4873

Query : BD+20 4873

Basic data :
BD+20 4873 -- Double or Multiple Star
Other object types: otypes_help 		* (AG,BD,...), ** (CCDM,**,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 17 25.1189562560 +21 35 01.049291897 (Optical) [ 0.3093 0.3119 90 ] A 2018yCat.1345....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 15 08.5923727497 +21 22 24.267446586 [ 0.3093 0.3119 90 ]
Gal coord. (ep=J2000) : 		070.7186484393099 -18.9335890492920 [ 0.3093 0.3119 90 ]
Proper motions mas/yr : 		-7.622 -7.454 [0.660 0.721 90] A 2018yCat.1345....0G
Radial velocity / Redshift / cz : 		V(km/s) 4.71 [1.42] / z(spectroscopic) 0.000016 [0.000005] / cz 4.71 [1.42]
   (Opt) B 2018yCat.1345....0G
Parallaxes (mas): 		0.9702 [0.3946] A 2018yCat.1345....0G
Spectral type: 		F8 D ~
Fluxes (6) :
B 11.46 [0.06] D 2000A&A...355L..27H
V 10.81 [0.05] D 2000A&A...355L..27H
G 10.8138 [0.0066] C 2018yCat.1345....0G
J 9.557 [0.027] C 2003yCat.2246....0C
H 9.295 [0.032] C 2003yCat.2246....0C
K 9.219 [0.020] C 2003yCat.2246....0C
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Identifiers (12) :
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CCDM J21174+2135AB BD+20 4873 2MASS J21172512+2135012 TYC 1662-203-1
** COU 228AB GSC 01662-00203 PPM 112728 WDS J21174+2135AB
AG+21 2349 IDS 21129+2110 AB TIC 257449321 Gaia DR2 1791421444594385408

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

   

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Link by name to the catalogue in VizieR :

CCDM J21174+2135AB AG+21 2349 BD+20 4873 GSC 01662-00203 2MASS J21172512+2135012
PPM 112728 TYC 1662-203-1 WDS J21174+2135AB Gaia DR2 1791421444594385408

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