IRC -20455

Query : IRC -20455

Basic data :
IRC -20455 -- Red Supergiant
Other object types: otypes_help 		* (GSC,TYC,...), IR (IRC,IRAS,...), s*r (1994AAS), AB* (1997ApJS), SB* (2022yCat), AB? (1991A&AS), NIR (2MASS), MIR (WISE)
ICRS coord. (ep=J2000) : 		18 16 26.2749475992 -17 39 02.572614576 (Optical) [ 0.0432 0.0371 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		18 13 31.2660038823 -17 40 07.924947173 [ 0.0432 0.0371 90 ]
Gal coord. (ep=J2000) : 		013.3003320684659 -00.5297735863135 [ 0.0432 0.0371 90 ]
Proper motions mas/yr : 		-0.199 -2.078 [0.051 0.039 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 21.01 [0.28] / z(spectroscopic) 0.000070 [0.000001] / cz 21.01 [0.28]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		0.4677 [0.0474] A 2020yCat.1350....0G
Spectral type: 		M2I C 1994AAS...185.4515W
Fluxes (6) :
B 13.20 [0.63] D 2000A&A...355L..27H
V 11.03 [0.12] D 2000A&A...355L..27H
G 8.484167 [0.003152] C 2020yCat.1350....0G
J 4.723 [0.288] D 2003yCat.2246....0C
H 3.138 [0.242] D 2003yCat.2246....0C
K 2.444 [0.306] E 2003yCat.2246....0C
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Identifiers (11) :
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IRC -20455 2MASS J18162628-1739026 TYC 6269-82-1 Gaia DR2 4097229720428952448
GSC 06269-00082 RAFGL 2102 UCAC2 25156596 Gaia DR3 4097229720428952448
IRAS 18135-1740 TIC 112561239 WISE J181626.47-173901.1

References (20 between 1850 and 2026) (Total 20)
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    Var : 1    Plx : 2    PM : 2    SpT : 4   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : IRC -20455

Link by name to the catalogue in VizieR :

IRC -20455 GSC 06269-00082 IRAS 18135-1740 2MASS J18162628-1739026 RAFGL 2102
TYC 6269-82-1 UCAC2 25156596 WISE J181626.47-173901.1 Gaia DR2 4097229720428952448 Gaia DR3 4097229720428952448

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