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HD 207021


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Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

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Observation and Astrometry data

Constellation:Cygne
Right ascension:21h45m20.93s
Declination:+32°46'50.4"
Apparent magnitude:7.639
Distance:110.011 parsecs
Proper motion RA:18.4
Proper motion Dec:-18.9
B-T magnitude:7.969
V-T magnitude:7.667

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 207021
TYCHO-2 2000TYC 2722-1809-1
USNO-A2.0USNO-A2 1200-18480813
HIPHIP 107410
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