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HD 20810


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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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Radial velocity measurements. II - Ground-based observations of the program stars for the HIPPARCOS satellite
New radial velocities for 446 stars of magnitude 9.0 or brighter in 1616-sq-deg fields of the Northern Hemisphere are determined by automaticPDS measurement of 80-A/mm-dispersion spectra obtained at theObservatoire de Haute Provence using a 17-cm-diameter objective prism.The fields were selected to provide data for the input catalog of theESA Hipparcos astrometric satellite. The measurement techniques andprecision are discussed, and the results are presented in extensivetables and graphs.

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Observation and Astrometry data

Constellation:Περσεύς
Right ascension:03h22m57.05s
Declination:+44°57'58.7"
Apparent magnitude:8.126
Distance:363.636 parsecs
Proper motion RA:5.7
Proper motion Dec:-6.2
B-T magnitude:8.168
V-T magnitude:8.13

Catalogs and designations:
Proper Names
HD 1989HD 20810
TYCHO-2 2000TYC 2873-2616-1
USNO-A2.0USNO-A2 1275-02248433
HIPHIP 15753
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