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HD 31933


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Radial velocities of calcium emission stars. I - Observations at Sutherland
Radial velocities are presented for 53 bright late-type stars withemission in the H and K lines of Ca II, which is indicative of a highlevel of chromospheric activity. Most of the stars are spectroscopicbinaries, for which orbital elements are presented.

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Observation and Astrometry data

Constellation:Orion
Right ascension:04h59m58.03s
Declination:+05°54'16.8"
Apparent magnitude:9.024
Proper motion RA:55.1
Proper motion Dec:-72.4
B-T magnitude:10.294
V-T magnitude:9.129

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 31933
TYCHO-2 2000TYC 97-645-1
USNO-A2.0USNO-A2 0900-01288564
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