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HD 203840


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Radial velocity measurements. IV - Ground-based accompaniment to the HIPPARCOS observation program
The paper presents 396 radial velocities of stars distributed in 19fields of 4 x 4 degrees. The study employs the Fehrenbach objectiveprism method and the same measuring technique used in a previous paper(Fehrenbach et al., 1987).

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Observation and Astrometry data

Constellation:はくちょう座
Right ascension:21h23m20.90s
Declination:+44°31'05.8"
Apparent magnitude:7.172
Distance:961.538 parsecs
Proper motion RA:-1.4
Proper motion Dec:-7.6
B-T magnitude:7.383
V-T magnitude:7.19

Catalogs and designations:
Proper Names
HD 1989HD 203840
TYCHO-2 2000TYC 3194-2349-1
USNO-A2.0USNO-A2 1275-15536650
HIPHIP 105602
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