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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: | Grande Ourse |
| Right ascension: | 11h59m50.67s |
| Declination: | +51°37'00.5" |
| Apparent magnitude: | 9.214 |
| Proper motion RA: | -90 |
| Proper motion Dec: | 67.1 |
| B-T magnitude: | 9.809 |
| V-T magnitude: | 9.264 |
Catalogs and designations:
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