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A search for variability in the hot hydrogen-deficient star BD + 10 deg 2179
The discovery of pulsation in the hot, extremely hydrogen-deficient starBD + 13 deg 3224 has prompted a search for this phenomenon in similarstars. In this paper, spectroscopic and photometric observations of BD +10 deg 2179 made during 1979-82 are presented. No significant variationsare found and a previously reported period in the range 0.162-0.164 dayis not seen in any of the data sequences.
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Observation and Astrometry data
| Constellation: | Leo |
| Right ascension: | 10h40m10.12s |
| Declination: | +09°49'21.2" |
| Apparent magnitude: | 8.994 |
| Proper motion RA: | -141.6 |
| Proper motion Dec: | -29.6 |
| B-T magnitude: | 9.542 |
| V-T magnitude: | 9.04 |
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