HD 170921

Query : HD 170921

Basic data :
HD 170921 -- Double or Multiple Star
Other object types: otypes_help 		* (2022AJ,AP,...), ** (CCDM,**,...), V* (2012A&A,CSV,...), UV (TD1), NIR (2MASS), MIR (WISE)
ICRS coord. (ep=J2000) : 		18 32 12.931776 -07 49 31.28304 (Optical) [ 39 39 90 ] B 2012yCat.1322....0Z
FK4 coord. (ep=B1950 eq=1950) : 		18 29 30.006679 -07 51 46.18819 [ 39 39 90 ]
Gal coord. (ep=J2000) : 		023.781276210 +00.674991345 [ 39 39 90 ]
Proper motions mas/yr : 		6.3 7.2 [2.9 2.9 90] C 2012yCat.1322....0Z
Radial velocity / Redshift / cz : 		V(km/s) -2.904980 [0.046268] / z(spectroscopic) -0.000010 [0.000000] / cz -2.90 [0.05]
   (NIR) A 2020AJ....160..120J
Spectral type: 		A3II/III D 1999MSS...C05....0H
Fluxes (3) :
J 7.013 [0.023] C 2003yCat.2246....0C
H 6.883 [0.023] C 2003yCat.2246....0C
K 6.781 [0.018] 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 (17) :
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CCDM J18322-0750AB CSV 102873 NSV 10981 WDS J18322-0750AB
** BU 419 GSC 05691-00425 PPM 201835 WISE J183212.95-074930.6
ADS 11430 AB HD 170921 TD1 22629
AP J18321293-0749308 IDS 18268-0754 AB TIC 216306916
BD-07 4617 2MASS J18321293-0749308 UCAC4 411-078077

References (13 between 1850 and 2026) (Total 13)
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    Rot : 1    Fe/H : 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 J18322-0750AB AP J18321293-0749308 BD-07 4617 GSC 05691-00425 HD 170921
2MASS J18321293-0749308 NSV 10981 PPM 201835 TD1 22629 UCAC4 411-078077
WDS J18322-0750AB WISE J183212.95-074930.6

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