HD 20821

Query : HD 20821

Basic data :
HD 20821 -- Double or Multiple Star
Other object types: otypes_help 		* (CD,CPC,...), ** (CCDM,**,...), NIR (2MASS), MIR (WISE)
ICRS coord. (ep=J2000) : 		03 17 45.982464 -63 48 30.57624 (Optical) [ 16 16 90 ] B 2012yCat.1322....0Z
FK4 coord. (ep=B1950 eq=1950) : 		03 16 55.732982 -63 59 23.69784 [ 16 16 90 ]
Gal coord. (ep=J2000) : 		280.493793922 -46.435434903 [ 16 16 90 ]
Proper motions mas/yr : 		-3.1 -4.6 [1.0 1.0 90] C 2012yCat.1322....0Z
Radial velocity / Redshift / cz : 		V(km/s) 6.94 [0.81] / z(spectroscopic) 0.000023 [0.000003] / cz 6.94 [0.81]
   (Opt) A 2020AJ....160...83S
Spectral type: 		F6V C 1975MSS...C01....0H
Fluxes (4) :
R 10.100 [0.03] D 2012yCat.1322....0Z
J 9.036 [0.020] C 2003yCat.2246....0C
H 8.817 [0.023] C 2003yCat.2246....0C
K 8.802 [0.026] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 2 		Display criteria :

Identifiers (16) :
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CCDM J03178-6349AB CPD-64 237 2MASS J03174598-6348306 TIC 279649336
** B 1446 GSC 08863-01100 PPM 353435 UCAC4 131-002993
CD-64 116 HD 20821 RAVE J031746.0-634831 WDS J03178-6349AB
CPC 20.1 684 IDS 03161-6410 AB SAO 248773 WISE J031745.95-634830.6

References (8 between 1850 and 2026) (Total 8)
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 : 2    Distance : 1    Fe/H : 3    SpT : 2   

   

External archives :

Link by name to the catalogue in VizieR :

CCDM J03178-6349AB CD-64 116 CPD-64 237 GSC 08863-01100 HD 20821
2MASS J03174598-6348306 PPM 353435 RAVE J031746.0-634831 SAO 248773 UCAC4 131-002993
WDS J03178-6349AB WISE J031745.95-634830.6

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