BD+21 4472

Query : BD+21 4472

Basic data :
BD+21 4472 -- Star
Other object types: otypes_help 		* (BD,AG,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 08 01.2911338608 +22 32 09.411938628 (Optical) [ 0.0151 0.0129 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 05 46.4164753832 +22 20 02.034901782 [ 0.0151 0.0129 90 ]
Gal coord. (ep=J2000) : 		070.0022739095359 -16.6571646365029 [ 0.0151 0.0129 90 ]
Proper motions mas/yr : 		2.150 -45.333 [0.018 0.015 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -8.79 [1.12] / z(spectroscopic) -0.000029 [0.000004] / cz -8.79 [1.12]
   (Opt) B 2018yCat.1345....0G
Parallaxes (mas): 		5.6369 [0.0186] A 2020yCat.1350....0G
Spectral type: 		F8 D ~
Fluxes (6) :
B 10.32 [0.03] D 2000A&A...355L..27H
V 9.79 [0.03] D 2000A&A...355L..27H
G 9.696907 [0.002765] C 2020yCat.1350....0G
J 8.853 [0.034] C 2003yCat.2246....0C
H 8.547 [0.034] C 2003yCat.2246....0C
K 8.530 [0.018] C 2003yCat.2246....0C
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Identifiers (10) :
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BD+21 4472 2MASS J21080129+2232095 TYC 2173-906-1 Gaia DR1 1838310598996144256
AG+22 2274 PPM 112500 Gaia DR2 1838310603293119744
GSC 02173-00906 TIC 279466986 Gaia DR3 1838310603293119744

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    Rot : 1    Fe/H : 1    Plx : 3    PM : 3   

   

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Link by name to the catalogue in VizieR :

BD+21 4472 AG+22 2274 GSC 02173-00906 2MASS J21080129+2232095 PPM 112500
TYC 2173-906-1 Gaia DR2 1838310603293119744 Gaia DR3 1838310603293119744 Gaia DR1 1838310598996144256

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