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HD 20393


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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:Persée
Right ascension:03h18m32.55s
Declination:+44°43'10.4"
Apparent magnitude:6.958
Distance:122.1 parsecs
Proper motion RA:34.3
Proper motion Dec:-26.4
B-T magnitude:7.082
V-T magnitude:6.969

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 20393
TYCHO-2 2000TYC 2860-1417-1
USNO-A2.0USNO-A2 1275-02181562
HIPHIP 15399

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