BD-21 1990

Query : BD-21 1990

Basic data :
BD-21 1990 -- Red Supergiant
Other object types: otypes_help 		* (BD,CPD,...), s*r (2014yCat), NIR (2MASS), IR (IRAS)
ICRS coord. (ep=J2000) : 		07 31 52.2725305560 -21 29 36.696405516 (Optical) [ 0.0112 0.0146 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		07 29 42.7525677508 -21 23 10.146731949 [ 0.0112 0.0146 90 ]
Gal coord. (ep=J2000) : 		236.5505599931065 -01.2452225178432 [ 0.0112 0.0146 90 ]
Proper motions mas/yr : 		-2.262 3.464 [0.017 0.023 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 49.79 [0.56] / z(spectroscopic) 0.000166 [0.000002] / cz 49.79 [0.56]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		0.3756 [0.0209] A 2020yCat.1350....0G
Spectral type: 		M0.5Ib C 2014yCat....1.2023S
Fluxes (6) :
B 10.97 [0.09] D 2000A&A...355L..27H
V 8.786 [0.018] D 2000A&A...355L..27H
G 7.615998 [0.002880] C 2020yCat.1350....0G
J 4.862 [0.266] D 2003yCat.2246....0C
H 3.629 [0.252] D 2003yCat.2246....0C
K 3.424 [0.272] D 2003yCat.2246....0C
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Identifiers (12) :
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BD-21 1990 IRAS 07297-2123 TIC 456758988 Gaia DR2 5619968662491585792
CPD-21 2295 2MASS J07315227-2129365 TYC 5991-2842-1 Gaia DR3 5619968662491585792
GSC 05991-02842 PPM 727662 UCAC2 23324695 Gaia DR1 5619968658187576320

References (9 between 1850 and 2026) (Total 9)
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 : 1    Plx : 3    PM : 2    SpT : 2   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : BD-21 1990

Link by name to the catalogue in VizieR :

BD-21 1990 CPD-21 2295 GSC 05991-02842 IRAS 07297-2123 2MASS J07315227-2129365
PPM 727662 TYC 5991-2842-1 UCAC2 23324695 Gaia DR2 5619968662491585792 Gaia DR3 5619968662491585792
Gaia DR1 5619968658187576320

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