HD 202431

Query : HD 202431

Basic data :
HD 202431 -- Spectroscopic Binary
Other object types: otypes_help 		* (2019AJ,HD,...), ** (**,WDS), SB* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 11 32.4415469496 +70 49 31.116088776 (Optical) [ 0.1070 0.1039 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 11 06.7366885893 +70 37 09.722967518 [ 0.1070 0.1039 90 ]
Gal coord. (ep=J2000) : 		106.7449429476239 +15.2430125251987 [ 0.1070 0.1039 90 ]
Proper motions mas/yr : 		13.940 -25.241 [0.151 0.130 90] A 2020yCat.1350....0G
Parallaxes (mas): 		8.5674 [0.1051] A 2020yCat.1350....0G
Spectral type: 		A3 E 1993yCat.3135....0C
Angular size (arcmin): 		0.0050 0.0 136 (Opt) D 2001AJ....122.3466M
Fluxes (6) :
B 7.89 [0.02] D 2000A&A...355L..27H
V 7.51 [0.01] D 2000A&A...355L..27H
G 7.461502 [0.002774] C 2020yCat.1350....0G
J 6.823 [0.024] C 2003yCat.2246....0C
H 6.669 [0.065] C 2003yCat.2246....0C
K 6.652 [0.017] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 304 Display criteria :

Identifiers (19) :
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HD 202431 GSC 04464-01860 Renson 56406 WDS J21115+7050AB
** HDS 3019 HIC 104615 SAO 9982 Gaia DR2 2271689296134549504
AG+70 734 HIP 104615 SKY# 40316 Gaia DR3 2271689296134549504
BD+70 1171 2MASS J21113242+7049309 TIC 388078603 Gaia DR1 2271689291837229184
BD+70 1171A PPM 10781 TYC 4464-1860-1

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

Distance : 2    Var : 1    Plx : 5    PM : 5    SpT : 1   

   

External archives :

Link by name to the catalogue in VizieR :

HD 202431 AG+70 734 BD+70 1171 GSC 04464-01860 HIC 104615
HIP 104615 2MASS J21113242+7049309 PPM 10781 SAO 9982 TYC 4464-1860-1
WDS J21115+7050AB Gaia DR2 2271689296134549504 Gaia DR3 2271689296134549504 Gaia DR1 2271689291837229184

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