HD 207931

Query : HD 207931

Basic data :
HD 207931 -- Double or Multiple Star
Other object types: otypes_help 		* (AG,BD,...), ** (CCDM,**,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 52 08.94680 +27 48 02.2102 (Optical) [ 24.46 14.28 90 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		21 49 53.82796 +27 33 54.3224 [ 24.46 14.28 90 ]
Gal coord. (ep=J2000) : 		081.28601297 -20.22661238 [ 24.46 14.28 90 ]
Proper motions mas/yr : 		11.96 6.01 [1.62 2.78 0] A 2007A&A...474..653V
Parallaxes (mas): 		1.95 [3.23] A 2007A&A...474..653V
Spectral type: 		A3 E 1993yCat.3135....0C
Fluxes (3) :
J 8.062 [0.029] C 2003yCat.2246....0C
H 7.931 [0.024] C 2003yCat.2246....0C
K 7.915 [0.023] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 		Display criteria :

Identifiers (17) :
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CCDM J21521+2748AB BD+27 4184 IDS 21476+2719 AB WDS J21521+2748AB
** HO 171 GSC 02210-00105 2MASS J21520892+2748026 YZ 27 12960
** HO 171AB HD 207931 PPM 113689
ADS 15401 AB HIC 107946 SAO 90057
AG+27 2520 HIP 107946 TIC 326203769

References (20 between 1850 and 2026) (Total 20)
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

Plx : 2    PM : 3    SpT : 1   

   

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Link by name to the catalogue in VizieR :

CCDM J21521+2748AB AG+27 2520 BD+27 4184 GSC 02210-00105 HD 207931
HIC 107946 HIP 107946 2MASS J21520892+2748026 PPM 113689 SAO 90057
WDS J21521+2748AB

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