SK 31

Query : SK 31

Basic data :
SK 31 -- Blue Supergiant
Other object types: otypes_help 		* (2022AJ,TYC,...), s*b (1977A&AS), s?b (2019A&A), NIR (2MASS), MIR (SSTISAGE1C)
ICRS coord. (ep=J2000) : 		00 49 51.2735728512 -72 55 45.253625124 (Optical) [ 0.0258 0.0225 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 48 04.0269139703 -73 12 04.997374820 [ 0.0258 0.0225 90 ]
Gal coord. (ep=J2000) : 		303.0940034362257 -44.1985170135339 [ 0.0258 0.0225 90 ]
Proper motions mas/yr : 		0.774 -1.309 [0.035 0.029 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 140.052994 [0.102394] / z(spectroscopic) 0.000467 [0.000000] / cz 140.09 [0.10]
   (NIR) A 2020AJ....160..120J
Spectral type: 		B2Ia C 1977A&AS...30..261A
Fluxes (6) :
B 11.16 [~] D 1997A&AS..124..349M
V 11.16 [~] D 1997A&AS..124..349M
G 11.085506 [0.002891] C 2020yCat.1350....0G
J 11.072 [0.023] C 2003yCat.2246....0C
H 11.030 [0.024] C 2003yCat.2246....0C
K 11.016 [0.021] 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 (19) :
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TYC 9141-7595-1 GEN# +6.20053056 TIC 181042827 [VA82] I-11
AP J00495125-7255452 2MASS J00495125-7255452 UBV M 43600 Gaia DR2 4688954064955069056
AzV 56 SK 31 UCAC2 1078414 Gaia DR3 4688954064994230272
BBB B1 SSTISAGE1C J004951.18-725545.0 uvby98 620053056 Gaia DR1 4688954060641947136
CSI-73-00481 T62 4 [AM77] 16

References (46 between 1850 and 2026) (Total 46)
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 : 3    Fe/H : 1    PM : 2    SpT : 7   

   

Observing logs
IUE : 3   

   

External archives :

Link by name to the catalogue in VizieR :

TYC 9141-7595-1 AP J00495125-7255452 2MASS J00495125-7255452 UCAC2 1078414 uvby98 620053056
Gaia DR2 4688954064955069056 Gaia DR3 4688954064994230272 Gaia DR1 4688954060641947136

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