HD 202731

Query : HD 202731

Basic data :
HD 202731 -- Variable Star
Other object types: otypes_help 		* (HD,CD,...), V* (NSV), NIR (2MASS), IR (IRAS)
ICRS coord. (ep=J2000) : 		21 22 16.2298667352 -71 34 16.727668320 (Optical) [ 0.0122 0.0136 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 17 32.7116069794 -71 47 03.853229153 [ 0.0122 0.0136 90 ]
Gal coord. (ep=J2000) : 		321.2329000474494 -37.2060143995398 [ 0.0122 0.0136 90 ]
Proper motions mas/yr : 		-5.686 -11.892 [0.017 0.022 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 11.10 [0.15] / z(spectroscopic) 0.000037 [0.000001] / cz 11.10 [0.15]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		3.0332 [0.0187] A 2020yCat.1350....0G
Spectral type: 		M2III C 1975MSS...C01....0H
Fluxes (6) :
B 8.70 [0.02] D 2000A&A...355L..27H
V 7.12 [0.01] D 2000A&A...355L..27H
G 6.268818 [0.002818] C 2020yCat.1350....0G
J 4.067 [0.222] D 2003yCat.2246....0C
H 3.098 [0.216] D 2003yCat.2246....0C
K 2.808 [0.256] D 2003yCat.2246....0C
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Identifiers (18) :
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HD 202731 GSC 09330-00695 NSV 25556 TYC 9330-695-1
CD-72 1670 HIC 105518 PPM 374979 Gaia DR2 6372125016353361664
CPC 21.1 4070 HIP 105518 SAO 257915 Gaia DR3 6372125016353361664
CPD-72 2595 IRAS 21175-7147 SKY# 40707
GC 29852 2MASS J21221624-7134166 TIC 410056410

References (15 between 1850 and 2026) (Total 15)
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    Plx : 4    PM : 5    SpT : 2   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : HD 202731

Link by name to the catalogue in VizieR :

HD 202731 CD-72 1670 CPD-72 2595 GSC 09330-00695 HIC 105518
HIP 105518 IRAS 21175-7147 2MASS J21221624-7134166 NSV 25556 PPM 374979
SAO 257915 TYC 9330-695-1 Gaia DR2 6372125016353361664 Gaia DR3 6372125016353361664

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