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A search for more Cepheid binaries
New UBV(RI)c photometric and photoelectric radial velocity observationsof six short-period Galactic Cepheids are presented. The data are usedto search for binaries among these stars. AT Pup is revealed as a newspectroscopic binary system. Its companion is likely to be amain-sequence star of spectral type B5 or later. T Vel may be anotherspectroscopic binary with a red companion, and there is some evidencefor a blue photometric companion to GI Car.
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Observation and Astrometry data
| Constellation: | Πρύμνη |
| Right ascension: | 08h11m21.72s |
| Declination: | -36°48'03.5" |
| Apparent magnitude: | 7.248 |
| Distance: | 316.456 parsecs |
| Proper motion RA: | 6.8 |
| Proper motion Dec: | -6.5 |
| B-T magnitude: | 8.639 |
| V-T magnitude: | 7.363 |
Catalogs and designations:
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