BD+20 454

Query : BD+20 454

Basic data :
BD+20 454 -- Star
Other object types: otypes_help 		* (BD,AG,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		02 44 15.8999731728 +21 02 55.536679320 (Optical) [ 0.0146 0.0141 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		02 41 25.4726648420 +20 50 15.985629577 [ 0.0146 0.0141 90 ]
Gal coord. (ep=J2000) : 		155.3474769422620 -34.6244753116094 [ 0.0146 0.0141 90 ]
Proper motions mas/yr : 		0.238 -1.943 [0.019 0.017 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 62.55 [0.15] / z(spectroscopic) 0.000209 [0.000001] / cz 62.56 [0.15]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		1.6949 [0.0165] A 2020yCat.1350....0G
Spectral type: 		K5 D ~
Fluxes (6) :
B 10.46 [0.05] D 2000A&A...355L..27H
V 9.07 [0.02] D 2000A&A...355L..27H
G 8.631986 [0.002765] C 2020yCat.1350....0G
J 6.609 [0.018] C 2003yCat.2246....0C
H 5.939 [0.017] C 2003yCat.2246....0C
K 5.792 [0.016] C 2003yCat.2246....0C
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Identifiers (12) :
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BD+20 454 2MASS J02441590+2102555 TIC 247394573 Gaia DR2 88394966732851200
AG+20 248 PPM 91937 TYC 1229-1130-1 Gaia DR3 88394966732851200
GSC 01229-01130 SAO 75542 YZ 20 818 Gaia DR1 88394962437485440

References (3 between 1850 and 2026) (Total 3)
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   

   

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BD+20 454 AG+20 248 GSC 01229-01130 2MASS J02441590+2102555 PPM 91937
SAO 75542 TYC 1229-1130-1 Gaia DR2 88394966732851200 Gaia DR3 88394966732851200 Gaia DR1 88394962437485440

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