10 Persei
From Infogalactic: the planetary knowledge core
 Location of 10 Per (circled) |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Perseus |
| Right ascension | 02h 25m 16.02916s[1] |
| Declination | +56° 36′ 35.3536″[1] |
| Apparent magnitude (V) | 6.26[2] |
| Characteristics | |
| Evolutionary stage | Blue supergiant |
| Spectral type | B2Ia[3] |
| U−B color index | −0.61[2] |
| B−V color index | +0.30[2] |
| Variable type | α Cyg[4] |
| Astrometry | |
| Radial velocity (Rv) | −46.0[5] km/s |
| Proper motion (μ) | RA: −0.08[1] mas/yr Dec.: −1.50[1] mas/yr |
| Parallax (π) | 0.96 ± 0.41[1] mas |
| Distance | approx. 3,000 ly (approx. 1,000 pc) |
| Absolute magnitude (MV) | −6.70[6] |
| Details[6] | |
| Mass | 26 M☉ |
| Radius | 51.4 R☉ |
| Luminosity | 250,000 L☉ |
| Surface gravity (log g) | 2.38 cgs |
| Temperature | 18,000 K |
| Rotational velocity (v sin i) | 82 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
File:Double Cluster.jpg
10 Per is the bright star below and right of the Double Cluster
10 Persei is a blue supergiant star in the constellation Perseus. Its apparent magnitude is 6.26 although it is slightly variable.
10 Persei is located around 1,000 parsecs (3,300 ly) distant in the Perseus OB1 stellar association. It lies close to the Double Cluster and is considered a cluster member.[7]
In 1999, 10 Persei was given the variable star designation V554 Persei, after being identified as varying in Hipparcos photometry.[8] Its brightness varies by less than a tenth of a magnitude with no clear period.[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 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.
- ↑ 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.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
Further reading
- Lua error in package.lua at line 80: module 'strict' not found.
- Lua error in package.lua at line 80: module 'strict' not found.
