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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: | Ύδρα |
| Right ascension: | 09h15m19.22s |
| Declination: | +05°30'55.2" |
| Apparent magnitude: | 9.078 |
| Proper motion RA: | 20.9 |
| Proper motion Dec: | -50.6 |
| B-T magnitude: | 10.031 |
| V-T magnitude: | 9.157 |
Catalogs and designations:
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