HD 124639
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Apus |
| Right ascension | 14h 24m 22.07440s[1] |
| Declination | −82° 50′ 53.70″[1] |
| Apparent magnitude (V) | 6.42[2] |
| Characteristics | |
| Spectral type | B8Ve[3] |
| U−B color index | -0.33[2] |
| B−V color index | +0.02[2] |
| Variable type | Emission-line |
| Astrometry | |
| Radial velocity (Rv) | +26.70±1.78[4] 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) |
| Details | |
| Mass | 4.4±0.3[3] M☉ |
| Luminosity | 187[5] L☉ |
| Surface gravity (log g) | 3.50±0.10[3] cgs |
| Temperature | 8,298[5] K |
| Rotational velocity (v sin i) | 204[6] km/s |
| Age | 126[3] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 124639 is a Be star in the southern constellation of Apus.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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