PG 1047+003
PG 1047+003 is a post-AGB blue-white subdwarf star, located in the constellation of Sextans. The star is classed as member of the V361 Hydrae type (or also called sdBVr type) class of pulsators in the field of asteroseismology.[2] No additional stellar companion has been detected in tight orbit or imaged around the subdwarf star.[1]
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sextans |
| Right ascension | 10h 50m 02.81s |
| Declination | −00° 00′ 36.9″ |
| Apparent magnitude (V) | 13.47 |
| Characteristics | |
| Spectral type | sdBe |
| Astrometry | |
| Distance | ?410 pc |
| Details | |
| Mass | ≈0.5 M☉ |
| Radius | 0.15[1] R☉ |
| Luminosity | 25.4 L☉ |
| Temperature | 33,500[2] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- O'Donoghue; Koen; Lynas-Gray; Kilkenny; Van Wyk (1998). "The EC14026 stars - VI. PG1047+003". Monthly Notices of the Royal Astronomical Society. 296 (2): 306–316. Bibcode:1998MNRAS.296..306O. doi:10.1046/j.1365-8711.1998.01311.x.
- Billeres; et al. (1997). "Discovery of p-mode Instabilities in the Hot Subdwarf B Star PG 1047+003". Astrophysical Journal Letters. 487: 81–84. Bibcode:1997ApJ...487L..81B. doi:10.1086/310882.
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