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HD 161164


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A photometric study of wide visual double stars with significant relative proper motion
Photometric observations and uvby H-beta indices of 142 wide visualdouble stars are presented. Calibrations of the indices are used toderive MK class, color excess, absolute magnitude, effectivetemperature, and distance. The results are used to check candidatesdouble stars for the Hipparcos mission for opticity.

Positions et Mouvements propres de 357 Etoiles de Repère de la Zone + 16° à + 18° pour l'époque et l'équinoxe 1950,0
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Observation and Astrometry data

Constellation:ヘルクレス座
Right ascension:17h43m16.08s
Declination:+17°41'22.9"
Apparent magnitude:7.994
Distance:232.019 parsecs
Proper motion RA:-8.1
Proper motion Dec:0.6
B-T magnitude:8.149
V-T magnitude:8.007

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 161164
TYCHO-2 2000TYC 1555-1518-1
USNO-A2.0USNO-A2 1050-09056617
HIPHIP 86724
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