HD 189721

Query : HD 189721

Basic data :
HD 189721 -- Double or Multiple Star
Other object types: otypes_help 		* (CD,CPC,...), ** (CCDM,**,...), UV (TD1), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 05 08.80404 -63 03 41.6526 (Optical) [ 6.33 6.16 89 ] A 2007A&A...474..653V
FK4 coord. (ep=B1950 eq=1950) : 		20 00 41.58170 -63 12 11.9368 [ 6.33 6.16 89 ]
Gal coord. (ep=J2000) : 		333.48495600 -32.27314699 [ 6.33 6.16 89 ]
Proper motions mas/yr : 		6.26 -39.21 [0.70 0.72 0] A 2007A&A...474..653V
Parallaxes (mas): 		6.53 [0.97] A 2007A&A...474..653V
Spectral type: 		A3V C 1975MSS...C01....0H
Fluxes (3) :
J 6.989 [0.020] C 2003yCat.2246....0C
H 6.973 [0.021] C 2003yCat.2246....0C
K 6.915 [0.021] 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 (18) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

CCDM J20051-6304AB GC 27795 IDS 19562-6320 AB TD1 25875
** HJ 5163AB GSC 09090-01312 2MASS J20050873-6303417 TIC 466169734
CD-63 1450 HD 189721 PPM 364386 WDS J20051-6304AB
CPC 20.1 6035 HIC 98919 SAO 254722
CPD-63 4561 HIP 98919 SKY# 37732

References (10 between 1850 and 2026) (Total 10)
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

Plx : 2    PM : 3    SpT : 2   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Link by name to the catalogue in VizieR :

CCDM J20051-6304AB CD-63 1450 CPD-63 4561 GSC 09090-01312 HD 189721
HIC 98919 HIP 98919 2MASS J20050873-6303417 PPM 364386 SAO 254722
TD1 25875 WDS J20051-6304AB

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