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HD 189257


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Mesures de vitesses radiales. VII. Accompagnement AU sol DU programme d'observation DU satellite Hipparcos. Radial velocities. VII. Ground based measurements for Hipparcos.
We publish 734 radial velocities of stars distributed in 28 fields of4x4deg. We continue the PPO series (Fehrenbach et al. 1987; Duflot etal. 1990 and 1992), using the Fehrenbach objective prism method.

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Observation and Astrometry data

Constellation:Κύκνος
Right ascension:19h57m49.40s
Declination:+34°14'48.0"
Apparent magnitude:7.889
Distance:595.238 parsecs
Proper motion RA:10.8
Proper motion Dec:2
B-T magnitude:7.968
V-T magnitude:7.896

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 189257
TYCHO-2 2000TYC 2678-2160-1
USNO-A2.0USNO-A2 1200-13969182
HIPHIP 98239
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