HD 158220
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Ara |
| Right ascension | 17h 31m 23.28387s[1] |
| Declination | −56° 55′ 15.4672″[1] |
| Apparent magnitude (V) | 5.95[2] |
| Characteristics | |
| Spectral type | B7II-III[3] |
| B−V color index | −0.08[2] |
| Variable type | Be star[4] |
| Astrometry | |
| Radial velocity (Rv) | -3[5] km/s |
| Proper motion (μ) | RA: −0.29[1] mas/yr Dec.: −3.72[1] mas/yr |
| Parallax (π) | 1.78 ± 0.34[1] mas |
| Distance | approx. 1,800 ly (approx. 600 pc) |
| Details | |
| Luminosity | 1,176[6] L☉ |
| Temperature | 9,657[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 158220 is a giant Be star in the southern constellation of Ara. This is a pulsating variable star that changes brightness by an amplitude of 0.030 magnitude over a period of 1.15 days.[4]
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 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
External links
<templatestyles src="Asbox/styles.css"></templatestyles>
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