CD-31 4900

Query : CD-31 4900

Basic data :
CD-31 4900 -- Be Star Candidate
Other object types: otypes_help 		* (1971PW&SO,CD,...), Be? (2006ApJ,WBBe), Em* ([M81])
ICRS coord. (ep=J2000) : 		07 40 39.7467252576 -31 38 00.617745984 (Optical) [ 0.0115 0.0135 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		07 38 43.2640380077 -31 30 58.437444655 [ 0.0115 0.0135 90 ]
Gal coord. (ep=J2000) : 		246.3809557441649 -04.4536316481143 [ 0.0115 0.0135 90 ]
Proper motions mas/yr : 		-2.176 3.368 [0.016 0.017 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.2069 [0.0159] A 2020yCat.1350....0G
Spectral type: 		OB- E 1971PW&SO...1a...1S
Fluxes (11) :
U 10.88 [~] D 2003AJ....125.2531R
B 11.47 [0.04] D 2012yCat.1322....0Z
V 11.26 [0.01] D 2012yCat.1322....0Z
R 11.35 [0.04] D 2012yCat.1322....0Z
G 11.233040 [0.003009] C 2020yCat.1350....0G
J 10.868 [0.026] C 2003yCat.2246....0C
H 10.814 [0.023] C 2003yCat.2246....0C
K 10.746 [0.019] C 2003yCat.2246....0C
g 11.33 [0.02] D 2012yCat.1322....0Z
r 11.30 [0.03] D 2012yCat.1322....0Z
i 11.38 [0.04] D 2012yCat.1322....0Z
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 611 Display criteria :

Identifiers (17) :
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CD-31 4900 LS 660 UCAC4 292-026688 Gaia DR3 5598105114294839424
ALS 660 NGC 2439 81 uvby98 224390081 Gaia DR1 5598105109985916544
CPD-31 1770 TYC 7106-3386-1 WBBe NGC 2439 2
GEN# +2.24390081 UBV M 32711 [M81] I-135
GSC 07106-03386 UCAC2 18360867 Gaia DR2 5598105114294839424

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

Distance : 1    Plx : 3    PM : 2    SpT : 1   

   

External archives :

Link by name to the catalogue in VizieR :

CD-31 4900 ALS 660 CPD-31 1770 GSC 07106-03386 LS 660
TYC 7106-3386-1 UCAC2 18360867 UCAC4 292-026688 uvby98 224390081 Gaia DR2 5598105114294839424
Gaia DR3 5598105114294839424 Gaia DR1 5598105109985916544

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