BD+18 4939

Query : BD+18 4939

Basic data :
BD+18 4939 -- Star
Other object types: otypes_help 		* (BD,AG,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		22 09 08.6243457864 +18 59 49.195026420 (Optical) [ 0.0215 0.0198 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		22 06 45.5963378859 +18 45 05.431283599 [ 0.0215 0.0198 90 ]
Gal coord. (ep=J2000) : 		078.0341112848456 -29.3905532393529 [ 0.0215 0.0198 90 ]
Proper motions mas/yr : 		-4.952 -20.153 [0.022 0.021 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 3.79 [0.20] / z(spectroscopic) 0.000013 [0.000001] / cz 3.79 [0.20]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		1.4001 [0.0254] A 2020yCat.1350....0G
Spectral type: 		K2 D ~
Fluxes (6) :
B 10.38 [0.04] D 2000A&A...355L..27H
V 9.09 [0.02] D 2000A&A...355L..27H
G 8.657917 [0.002786] C 2020yCat.1350....0G
J 6.793 [0.026] C 2003yCat.2246....0C
H 6.132 [0.034] C 2003yCat.2246....0C
K 6.011 [0.020] C 2003yCat.2246....0C
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Identifiers (12) :
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BD+18 4939 2MASS J22090862+1859492 TIC 283708459 Gaia DR2 1776594397149731712
AG+18 2250 PPM 141113 TYC 1689-275-1 Gaia DR3 1776594397149731712
GSC 01689-00275 SAO 107692 YZ 18 9048 Gaia DR1 1776594392853951616

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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Link by name to the catalogue in VizieR :

BD+18 4939 AG+18 2250 GSC 01689-00275 2MASS J22090862+1859492 PPM 141113
SAO 107692 TYC 1689-275-1 Gaia DR2 1776594397149731712 Gaia DR3 1776594397149731712 Gaia DR1 1776594392853951616

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