BC 247

Query : BC 247

Basic data :
BC 247 -- Carbon Star
Other object types: otypes_help 		MIR (MSX6C,AKARI,...), C* (BC,CGCS,...), LP* (2020ApJS), V* (2018AJ,[WWV2004]), Mi* (2004AJ), C*? (2022yCat), LP? (2018A&A), * (Gaia), NIR (2MASS), Opt (ATO)
ICRS coord. (ep=J2000) : 		20 47 55.7688836640 +43 47 21.089668128 (Optical) [ 0.0678 0.0778 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 46 09.6208951449 +43 36 13.823419463 [ 0.0678 0.0778 90 ]
Gal coord. (ep=J2000) : 		083.8352796676938 +00.1639690294950 [ 0.0678 0.0778 90 ]
Proper motions mas/yr : 		-3.141 -3.030 [0.089 0.095 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.3613 [0.0884] A 2020yCat.1350....0G
Spectral type: 		C D 1990ApJS...73..841A
Fluxes (6) :
B 14.5 [~] E ~
G 15.004840 [0.014836] C 2020yCat.1350....0G
J 7.005 [0.021] C 2003yCat.2246....0C
H 5.063 [0.017] C 2003yCat.2246....0C
K 4.05 [0.36] D 2003yCat.2246....0C
r 17.152 [~] D 2020ApJS..249...18C
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Identifiers (14) :
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MSX6C G083.8355+00.1636 CGCS 4982 WISE J204755.88+434721.5 Gaia DR2 2067031802380658432
AKARI-IRC-V1 J2047559+434720 2MASS J20475576+4347211 ZTF J204755.76+434721.1 Gaia DR3 2067031802380658432
ATO J311.9824+43.7892 TIC 367036281 [ABC90] cyb 21
BC 247 WISEA J204755.79+434720.8 [WWV2004] J2047560+434722

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

Var : 5    Plx : 2    PM : 2    SpT : 3   

   

External archives :

Link by name to the catalogue in VizieR :

MSX6C G083.8355+00.1636 AKARI-IRC-V1 J2047559+434720 CGCS 4982 2MASS J20475576+4347211 WISEA J204755.79+434720.8
WISE J204755.88+434721.5 Gaia DR2 2067031802380658432 Gaia DR3 2067031802380658432

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