BD+12 4422

Query : BD+12 4422

Basic data :
BD+12 4422 -- Spectroscopic Binary
Other object types: otypes_help 		* (BD,AG,...), SB* (2022yCat), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 40 20.9440410576 +12 33 45.415501488 (Optical) [ 0.0241 0.0209 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 37 58.5694441234 +12 23 03.787559678 [ 0.0241 0.0209 90 ]
Gal coord. (ep=J2000) : 		057.5237822158482 -17.3535717168560 [ 0.0241 0.0209 90 ]
Proper motions mas/yr : 		-13.944 4.424 [0.033 0.030 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -61.03 [0.88] / z(spectroscopic) -0.000204 [0.000003] / cz -61.02 [0.88]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		4.5023 [0.0335] A 2020yCat.1350....0G
Spectral type: 		K2 D ~
Fluxes (6) :
B 10.00 [0.03] D 2000A&A...355L..27H
V 8.82 [0.02] D 2000A&A...355L..27H
G 8.514442 [0.002759] C 2020yCat.1350....0G
J 6.822 [0.021] C 2003yCat.2246....0C
H 6.228 [0.018] C 2003yCat.2246....0C
K 6.128 [0.016] C 2003yCat.2246....0C
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Identifiers (12) :
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BD+12 4422 2MASS J20402094+1233453 TIC 340914139 Gaia DR2 1755135915907824768
AG+12 2362 PPM 138809 TYC 1096-436-1 Gaia DR3 1755135915907824768
GSC 01096-00436 SAO 106367 YZ 12 8070 Gaia DR1 1755135911612414848

References (4 between 1850 and 2026) (Total 4)
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 : 3   

   

External archives :

Link by name to the catalogue in VizieR :

BD+12 4422 AG+12 2362 GSC 01096-00436 2MASS J20402094+1233453 PPM 138809
SAO 106367 TYC 1096-436-1 Gaia DR2 1755135915907824768 Gaia DR3 1755135915907824768 Gaia DR1 1755135911612414848

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