HD 124639
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Apus |
| Right ascension | 14h 24m 22.074s[1] |
| Declination | −82° 50′ 53.70″[1] |
| Apparent magnitude (V) | 6.42 |
| Characteristics | |
| Spectral type | B8Ve |
| U−B color index | -0.33 |
| B−V color index | 0.02 |
| Variable type | Emission-line |
| Astrometry | |
| Radial velocity (Rv) | 26.7 km/s |
| Proper motion (μ) | RA: −21.98 ± 0.28[1] mas/yr Dec.: −10.85 ± 0.24[1] mas/yr |
| Parallax (π) | 3.37 ± 0.29[1] mas |
| Distance | 970 ± 80 ly (300 ± 30 pc) |
| Absolute magnitude (MV) | 6.418 |
| Details | |
| Mass | 18 M☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 124639 is an emission-line star.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
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