BD+21 2421

Query : BD+21 2421

Basic data :
BD+21 2421 -- Star
Other object types: otypes_help 		* (BD,AG,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		12 27 08.3141173512 +20 58 08.749336656 (Optical) [ 0.0124 0.0113 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 24 37.4910049727 +21 14 44.496342945 [ 0.0124 0.0113 90 ]
Gal coord. (ep=J2000) : 		259.6416563647822 +81.7139755473073 [ 0.0124 0.0113 90 ]
Proper motions mas/yr : 		-7.758 -0.540 [0.016 0.014 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -4.81 [0.35] / z(spectroscopic) -0.000016 [0.000001] / cz -4.81 [0.35]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		1.5928 [0.0153] A 2020yCat.1350....0G
Spectral type: 		K2 D ~
Fluxes (6) :
B 10.72 [~] E ~
V 9.72 [~] E ~
G 9.460591 [0.002758] C 2020yCat.1350....0G
J 7.934 [0.018] C 2003yCat.2246....0C
H 7.442 [0.023] C 2003yCat.2246....0C
K 7.311 [0.024] C 2003yCat.2246....0C
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Identifiers (11) :
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BD+21 2421 GSC 01447-01824 TIC 135152862 Gaia DR3 3952490593842352256
AG+21 1292 2MASS J12270832+2058087 TYC 1447-1824-1 Gaia DR1 3952490589546665472
GEN# +0.02102421 PPM 101906 Gaia DR2 3952490593842352256

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    Plx : 2    PM : 3   

   

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Link by name to the catalogue in VizieR :

BD+21 2421 AG+21 1292 GSC 01447-01824 2MASS J12270832+2058087 PPM 101906
TYC 1447-1824-1 Gaia DR2 3952490593842352256 Gaia DR3 3952490593842352256 Gaia DR1 3952490589546665472

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