BD+21 1777

Query : BD+21 1777

Basic data :
BD+21 1777 -- Spectroscopic Binary
Other object types: otypes_help 		* (2022AJ,BD,...), SB* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		08 10 46.6971647136 +20 50 16.620638820 (Optical) [ 0.0228 0.0144 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		08 07 51.4264555043 +20 59 12.728908617 [ 0.0228 0.0144 90 ]
Gal coord. (ep=J2000) : 		201.8627214599215 +26.3873927089665 [ 0.0228 0.0144 90 ]
Proper motions mas/yr : 		-11.099 -4.049 [0.028 0.017 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 14.360500 [0.001893] / z(spectroscopic) 0.000048 [0.000000] / cz 14.36 [0.00]
   (NIR) A 2020AJ....160..120J
Parallaxes (mas): 		2.1216 [0.0259] A 2020yCat.1350....0G
Spectral type: 		K5 D ~
Fluxes (6) :
B 11.11 [0.09] D 2000A&A...355L..27H
V 10.18 [0.06] D 2000A&A...355L..27H
G 9.685217 [0.002773] C 2020yCat.1350....0G
J 8.052 [0.019] C 2003yCat.2246....0C
H 7.486 [0.016] C 2003yCat.2246....0C
K 7.365 [0.017] C 2003yCat.2246....0C
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Identifiers (11) :
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BD+21 1777 GSC 01389-01059 TIC 82460301 Gaia DR3 675919829669625856
AG+20 946 2MASS J08104670+2050167 TYC 1389-1059-1 Gaia DR1 675919825372993920
AP J08104670+2050167 PPM 98430 Gaia DR2 675919829669625856

References (8 between 1850 and 2026) (Total 8)
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 : 3    Distance : 2    Var : 1    Fe/H : 3    Plx : 3    PM : 3   

   

External archives :

Link by name to the catalogue in VizieR :

BD+21 1777 AG+20 946 AP J08104670+2050167 GSC 01389-01059 2MASS J08104670+2050167
PPM 98430 TYC 1389-1059-1 Gaia DR2 675919829669625856 Gaia DR3 675919829669625856 Gaia DR1 675919825372993920

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