| |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sextans |
| Right ascension | 10h50m 02.826s[2] |
| Declination | −00° 00′ 36.88″[2] |
| Apparent magnitude (V) | 13.47 |
| Characteristics | |
| Spectral type | sdO9VII:He6[3] |
| Variable type | V361 Hya[1] |
| Astrometry | |
| Radial velocity (Rv) | 13.6[4] km/s |
| Proper motion (μ) | RA: −20.528 mas/yr[2] Dec.: −38.421 mas/yr[2] |
| Parallax (π) | 1.4559 ± 0.0789 mas[2] |
| Distance | 2,200 ± 100 ly (690 ± 40 pc) |
| Details | |
| Mass | 0.490±0.014[5] M☉ |
| Radius | 0.17±0.01[5] R☉ |
| Luminosity | 25.86+3.28 −2.61[5] L☉ |
| Surface gravity (log g) | 5.83±0.01[4] cgs |
| Temperature | 34,850±90[4] K |
| Rotation | 24.6±3.5 d[5] |
| Other designations | |
| Database references | |
| SIMBAD | data |
PG 1047+003 is a post-AGB blue-white subdwarf star, located in the constellationofSextans. The star is classed as member of the V361 Hydrae type (or also called sdBVr type) class of pulsators in the field of asteroseismology.[1] No additional stellar companion has been detected in tight orbit or imaged around the subdwarf star.[7]
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