AzV 256

Query : AzV 256

Basic data :
AzV 256 -- Blue Supergiant
Other object types: otypes_help 		* (AzV,2dFS,...), s*b (2024A&A), Be? (2002A&A), s?b (2019A&A), HII (DEM), NIR (2MASS), MIR (SSTISAGE1C)
ICRS coord. (ep=J2000) : 		01 00 41.9351410560 -72 30 28.948761252 (Optical) [ 0.0289 0.0262 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 59 03.3839817413 -72 46 37.465808494 [ 0.0289 0.0262 90 ]
Gal coord. (ep=J2000) : 		301.9547479754516 -44.6026356241844 [ 0.0289 0.0262 90 ]
Proper motions mas/yr : 		0.921 -1.276 [0.039 0.032 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 238 [12] / z(~) 0.000794 [0.000040] / cz 238.09 [12.00]
   D 2008MNRAS.386..826E
Spectral type: 		O9.7I(n) C 2024A&A...690A.289S
Angular size (arcmin): 		20.0 18.0 -1 (Opt) D 1976MmRAS..81...89D
Fluxes (8) :
U 13.47 [0.03] C 2010AJ....140..416B
B 14.59 [0.02] C 2010AJ....140..416B
V 14.71 [0.03] C 2010AJ....140..416B
G 14.471377 [0.007056] C 2020yCat.1350....0G
I 14.95 [0.10] C 2010AJ....140..416B
J 15.237 [0.082] C 2003yCat.2246....0C
H 15.332 [0.095] C 2003yCat.2246....0C
K 15.327 [0.168] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 20743 Display criteria :

Identifiers (13) :
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2MASS J01004189-7230289 GEN# +6.20053256 SSTISAGE1C J010041.99-723028.8 Gaia DR3 4687491886297246336
AzV 256 MCPS 1.011660-72.50787 TIC 182300591
DEM S 114 OGLE SMC-SC9 27241 UBV M 44299
2dFS 1497 OGLE J010041.93-723028.6 [M2002] SMC 49497

References (24 between 1850 and 2026) (Total 24)
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    PM : 1    SpT : 4   

   

External archives :

Link by name to the catalogue in VizieR :

2MASS J01004189-7230289 OGLE SMC-SC9 27241 [M2002] SMC 49497 Gaia DR3 4687491886297246336

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Annotations :
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