BD-20 1931

Query : BD-20 1931

Basic data :
BD-20 1931 -- Long-Period Variable
Other object types: otypes_help 		* (BD,BM,...), ** (**,CCDM,...), MIR (WISEA,WISE), IR (IRAS,IRC), LP* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		07 25 47.3794505808 -20 57 27.414621360 (Optical) [ 0.0232 0.0304 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		07 23 37.4528195217 -20 51 25.555822694 [ 0.0232 0.0304 90 ]
Gal coord. (ep=J2000) : 		235.4022764377285 -02.2343889588476 [ 0.0232 0.0304 90 ]
Proper motions mas/yr : 		-1.983 3.542 [0.037 0.045 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 45.0 [~] / z(~) 0.000150 [~] / cz 45.00 [~]
   D 2006ApJ...648..580H
Parallaxes (mas): 		0.5776 [0.0418] A 2020yCat.1350....0G
Spectral type: 		M2.2Ib-II C 2014yCat....1.2023S
Fluxes (7) :
B 9.11 [0.18] D 2012yCat.1322....0Z
V 8.76 [0.17] D 2012yCat.1322....0Z
R 8.13 [0.12] E 2012yCat.1322....0Z
G 6.681713 [0.003063] C 2020yCat.1350....0G
J 3.999 [0.412] D 2003yCat.2246....0C
H 2.996 [0.264] D 2003yCat.2246....0C
K 2.651 [0.282] D 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 13 Display criteria :

Identifiers (20) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

BD-20 1931A CCDM J07258-2057A 2MASS J07254738-2057273 WISEA J072547.38-205727.5
** BU 198A Cl* NGC 2384 HG 10023 TIC 139234512 WISE J072547.34-205729.6
BD-20 1931a CPD-20 2395 TYC 5978-2630-1 Gaia DR1 5620282981073059200
BD-20 1931 IRAS 07236-2051 UCAC4 346-028905 Gaia DR3 5620282985381340032
BM V 13 IRC -20130 WDS J07258-2057A Gaia DR2 5620282985381340032

References (11 between 1850 and 2026) (Total 11)
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 : 2    Distance : 2    Var : 1    Rot : 1    Plx : 3    PM : 2    SpT : 4   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : BD-20 1931

Link by name to the catalogue in VizieR :

BD-20 1931a BD-20 1931 CCDM J07258-2057A CPD-20 2395 IRAS 07236-2051
IRC -20130 2MASS J07254738-2057273 TYC 5978-2630-1 UCAC4 346-028905 WDS J07258-2057A
WISEA J072547.38-205727.5 WISE J072547.34-205729.6 Gaia DR1 5620282981073059200 Gaia DR3 5620282985381340032 Gaia DR2 5620282985381340032

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