HD 102839
HD 102839 is a class G6Ib (yellow supergiant) star in the constellation Musca. Its apparent magnitude is 4.98 and it is approximately 1,550 light years away from Earth based on parallax.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Musca |
| Right ascension | 11h 49m 56.61541s |
| Declination | −70° 13′ 32.8408″ |
| Apparent magnitude (V) | 4.98 |
| Characteristics | |
| Spectral type | G6Ib |
| U−B color index | +1.22 |
| B−V color index | +1.40 |
| Astrometry | |
| Radial velocity (Rv) | +15.90 km/s |
| Proper motion (μ) | RA: −8.113 mas/yr Dec.: −0.834 mas/yr |
| Parallax (π) | 2.1101 ± 0.1063 mas |
| Distance | 1,550 ± 80 ly (470 ± 20 pc) |
| Absolute magnitude (MV) | −2.33 |
| Details | |
| Mass | 2.3 M☉ |
| Radius | 78 R☉ |
| Luminosity | 1,593 L☉ |
| Surface gravity (log g) | 0.63 cgs |
| Temperature | 4,500 K |
| Metallicity [Fe/H] | −0.34 dex |
| Rotational velocity (v sin i) | 7.6 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.