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HD 93290


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Radial velocities of population II binary stars. I.
Radial velocities for 114 Hipparcos stars, mostly high transversevelocity binaries without previous radial velocity measurements, arepublished. Measurements are made with the CORAVEL-type radial velocityspectrometer. The accuracy of measurements is better than 1 km/s. Twostars, BD +30 deg 2129A and HD 117466AB are found to be radial velocityvariables, and three more stars, HD 119515A, HD 131597AB, and HD 153344,are possible radial velocity variables.

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Observation and Astrometry data

Constellation:Lion
Right ascension:10h46m32.71s
Declination:+16°52'10.1"
Apparent magnitude:9.253
Proper motion RA:-2.7
Proper motion Dec:-54.8
B-T magnitude:9.817
V-T magnitude:9.3

Catalogs and designations:
Proper Names
HD 1989HD 93290
TYCHO-2 2000TYC 1428-503-1
USNO-A2.0USNO-A2 1050-06356913
HIPHIP 52703

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