PG 1047+003
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 | |
UY Sex, 2MASS J10500281-0000369, PG 1047+003, GSC 04914-00003, MGC 12287 |
PG 1047+003 is a post-AGB blue-white subdwarf star, located in Sextans constellation. 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]
References
- 1 2 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.
- 1 2 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.
|
This article is issued from Wikipedia - version of the Tuesday, May 05, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.