HD 131551
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Apus |
| Right ascension | 14h 59m 55.757s[1] |
| Declination | −75° 01′ 57.62″[1] |
| Apparent magnitude (V) | 6.20[2] |
| Characteristics | |
| Spectral type | B9V[3] |
| U−B color index | -0.20[2] |
| B−V color index | -0.04[2] |
| Astrometry | |
| Radial velocity (Rv) | −7.6[4] km/s |
| Proper motion (μ) | RA: −6.78±0.28[1] mas/yr Dec.: −21.04±0.31[1] mas/yr |
| Parallax (π) | 6.60 ± 0.32[1] mas |
| Distance | 490 ± 20 ly (152 ± 7 pc) |
| Details | |
| Mass | 2.84±0.06[5] M☉ |
| Luminosity | 95[5] L☉ |
| Rotational velocity (v sin i) | 141[5] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 131551 is a star in the southern constellation of Apus. There is a 13th magnitude companion star at an angular separation of 34.5″ along a position angle of 123° (as of 2000).[6]
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.
- ↑ 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 5.2 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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