BD+21 4639

Query : BD+21 4639

Basic data :
BD+21 4639 -- Star
Other object types: otypes_help 		* (BD,AG,...), ** (**,CCDM,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 53 43.3433894688 +22 11 34.982556288 (Optical) [ 0.0133 0.0117 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		21 51 23.8407397176 +21 57 23.588640698 [ 0.0133 0.0117 90 ]
Gal coord. (ep=J2000) : 		077.4646988788843 -24.5971581147224 [ 0.0133 0.0117 90 ]
Proper motions mas/yr : 		8.455 4.347 [0.016 0.014 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -15.97 [0.24] / z(spectroscopic) -0.000053 [0.000001] / cz -15.97 [0.24]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		1.5763 [0.016] A 2020yCat.1350....0G
Spectral type: 		K0 D ~
Fluxes (5) :
R 8.60 [0.06] E 2009yCat.1315....0Z
G 8.639902 [0.002763] C 2020yCat.1350....0G
J 6.784 [0.021] C 2003yCat.2246....0C
H 6.223 [0.033] C 2003yCat.2246....0C
K 6.010 [0.020] C 2003yCat.2246....0C
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Identifiers (21) :
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BD+21 4639A CSI+21 4639 1 PPM 113725 YZ 21 8444
** J 2361A GSC 01691-01510 SAO 90080 Gaia DR2 1793245435600773632
AG+21 2429 HIC 108069 TIC 258042863 Gaia DR3 1793245435600773632
AGKR 19573 HIP 108069 TYC 1691-1510-1
BD+21 4639 IDS 21491+2144 A UCAC3 225-294654
CCDM J21537+2212A 2MASS J21534334+2211349 WDS J21537+2212A

References (6 between 1850 and 2026) (Total 6)
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 : 4    PM : 6   

   

External archives :

Link by name to the catalogue in VizieR :

AG+21 2429 BD+21 4639 CCDM J21537+2212A GSC 01691-01510 HIC 108069
HIP 108069 2MASS J21534334+2211349 PPM 113725 SAO 90080 TYC 1691-1510-1
UCAC3 225-294654 WDS J21537+2212A Gaia DR2 1793245435600773632 Gaia DR3 1793245435600773632

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