PG 1047+003

PG 1047+003
Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Sextans
Right ascension	10^h 50^m 02.81^s
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 sdBV_r 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.

Stars of Sextans

Bayer	α β γ δ ε

Flamsteed	3 4 5 6 7 9 12 13 14 16 17 18 19 20 21 23 24 25 26 27 31 32 33 34 35 36 39 40 41

Variable	S T Y RW SW VY

HR	3879 3901 3907 3915 3959 4000 4034 4059 4060 4085 4092 4109 4122 4224 4233 4240

HD	85461 86081 86341 90057 92788

Gliese	Gliese 382 Gliese 393

Other	BD+08°2823 FIRST J102347.6+003841 LHS 292 PG 1026+002 PG 1047+003 Population III stars Cosmos Redshift 7 galaxy WASP-43

List

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