BD+18 4897

Query : BD+18 4897

Basic data :
BD+18 4897 -- Spectroscopic Binary
Other object types: otypes_help 		* (BD,AG,...), SB* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 58 24.3598504992 +19 10 42.163160988 (Optical) [ 0.0130 0.0121 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 56 02.3358931007 +18 56 20.914134183 [ 0.0130 0.0121 90 ]
Gal coord. (ep=J2000) : 		076.0477079252830 -27.5413580478480 [ 0.0130 0.0121 90 ]
Proper motions mas/yr : 		9.195 -10.501 [0.016 0.016 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -49.27 [1.09] / z(spectroscopic) -0.000164 [0.000004] / cz -49.27 [1.09]
   (Opt) B 2018yCat.1345....0G
Parallaxes (mas): 		0.8687 [0.016] A 2020yCat.1350....0G
Spectral type: 		K0 D ~
Fluxes (6) :
B 11.7 [~] E ~
V 10.4 [~] E ~
G 9.967815 [0.002762] C 2020yCat.1350....0G
J 7.973 [0.020] C 2003yCat.2246....0C
H 7.248 [0.049] C 2003yCat.2246....0C
K 7.105 [0.020] C 2003yCat.2246....0C
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Identifiers (13) :
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BD+18 4897 2MASS J21582435+1910420 UBV 18788 Gaia DR1 1779790501357035904
AG+18 2231 PPM 140889 UBV M 926
GEN# +0.01804897 TIC 330486850 Gaia DR2 1779790501357035904
GSC 01687-01170 TYC 1687-1170-1 Gaia DR3 1779790501357035904

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    Var : 1    Plx : 3    PM : 2   

   

External archives :

Link by name to the catalogue in VizieR :

BD+18 4897 AG+18 2231 GSC 01687-01170 2MASS J21582435+1910420 PPM 140889
TYC 1687-1170-1 Gaia DR2 1779790501357035904 Gaia DR3 1779790501357035904 Gaia DR1 1779790501357035904

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