BD+42 3684

Query : BD+42 3684

Basic data :
BD+42 3684 -- Red Supergiant
Other object types: otypes_help 		* (BD,AG,...), s*r (2020A&A), NIR (2MASS), IR (IRAS)
ICRS coord. (ep=J2000) : 		20 18 48.1817531280 +42 36 37.554711372 (Optical) [ 0.0148 0.0161 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 17 04.9322831782 +42 27 10.392201435 [ 0.0148 0.0161 90 ]
Gal coord. (ep=J2000) : 		079.7283378264441 +03.7279221149852 [ 0.0148 0.0161 90 ]
Proper motions mas/yr : 		-3.145 -4.602 [0.019 0.019 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -14.91 [0.44] / z(spectroscopic) -0.000050 [0.000001] / cz -14.91 [0.44]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		0.4895 [0.0178] A 2020yCat.1350....0G
Spectral type: 		K7I C 2020A&A...644A..62C
Fluxes (6) :
B 11.94 [0.29] D 2000A&A...355L..27H
V 9.39 [0.03] D 2000A&A...355L..27H
G 8.064195 [0.002836] C 2020yCat.1350....0G
J 4.910 [0.278] D 2003yCat.2246....0C
H 3.792 [0.228] D 2003yCat.2246....0C
K 3.233 [0.288] D 2003yCat.2246....0C
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Identifiers (13) :
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BD+42 3684 2MASS J20184817+4236374 TYC 3159-267-1 Gaia DR1 2068785209890756352
AG+42 1837 PPM 59695 [SKV93] 4-8
GSC 03159-00267 SAO 49456 Gaia DR2 2068785214190477056
IRAS 20170+4227 TIC 275529847 Gaia DR3 2068785214190477056

References (5 between 1850 and 2026) (Total 5)
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    Distance : 2    Plx : 3    PM : 3    SpT : 1   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : BD+42 3684

Link by name to the catalogue in VizieR :

BD+42 3684 AG+42 1837 GSC 03159-00267 IRAS 20170+4227 2MASS J20184817+4236374
PPM 59695 SAO 49456 TYC 3159-267-1 Gaia DR2 2068785214190477056 Gaia DR3 2068785214190477056
Gaia DR1 2068785209890756352

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