HD 20657

Query : HD 20657

Basic data :
HD 20657 -- Star
Other object types: otypes_help 		* (HD,CD,...), ** (**,ADS,...)
ICRS coord. (ep=J2000) : 		03 18 43.9682761296 -25 25 44.034579444 (Optical) [ 0.0121 0.0183 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		03 16 34.4122062981 -25 36 35.448676158 [ 0.0121 0.0183 90 ]
Gal coord. (ep=J2000) : 		218.4725453882202 -57.0552782607103 [ 0.0121 0.0183 90 ]
Proper motions mas/yr : 		9.735 -16.163 [0.016 0.027 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 29.33 [1.22] / z(spectroscopic) 0.000098 [0.000004] / cz 29.33 [1.22]
   (Opt) B 2022yCat.1355....0G
Parallaxes (mas): 		10.6987 [0.0253] A 2020yCat.1350....0G
Spectral type: 		G2V C 1988MSS...C04....0H
Fluxes (4) :
B 9.21 [0.02] D 2002A&A...384..180F
V 8.57 [0.01] D 2002A&A...384..180F
G 8.446879 [0.002759] C 2022yCat.1355....0G
K 7.077 [0.020] C 2003yCat.2246....0C
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Identifiers (18) :
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HD 20657 CPD-25 413 PPM 246080 YZ 115 1543
** B 47A GSC 06442-00863 SAO 168456 Gaia DR2 5073906348670457984
ADS 2466 A HIC 15418 TYC 6442-863-1 Gaia DR3 5073906348670457984
CCDM J03187-2526A HIP 15418 uvby98 100020657
CD-25 1353 IDS 03144-2548 A WDS J03187-2526A

References (23 between 1850 and 2026) (Total 23)
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 : 4    Distance : 2    Rot : 1    Fe/H : 1    Plx : 4    PM : 4    SpT : 2   

   

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Link by name to the catalogue in VizieR :

HD 20657 CCDM J03187-2526A CD-25 1353 CPD-25 413 GSC 06442-00863
HIC 15418 HIP 15418 PPM 246080 SAO 168456 TYC 6442-863-1
uvby98 100020657 WDS J03187-2526A Gaia DR2 5073906348670457984 Gaia DR3 5073906348670457984

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