PG 1047+003

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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
Spectral type sdBe
Distance?410 pc
Mass≈0.5 M
Radius0.15[1] R
Luminosity25.4 L
Temperature33,500[2] K
Other designations
UY Sex, 2MASS J10500281-0000369, PG 1047+003, GSC 04914-00003, MGC 12287
Database references

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]


  1. ^ a b 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.
  2. ^ a b 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.