63 Andromedae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 02h 20m 58.21s[1] |
| Declination | +50° 09′ 05.3″[1] |
| Apparent magnitude (V) | 5.59 |
| Characteristics | |
| Spectral type | B9sp |
| U−B color index | –0.38 |
| B−V color index | –0.13 |
| Variable type | α² CVn |
| Astrometry | |
| Radial velocity (Rv) | –2 km/s |
| Proper motion (μ) | RA: +38.72 ± 0.26[1] mas/yr Dec.: –31.90 ± 0.27[1] mas/yr |
| Parallax (π) | 8.31 ± 0.34[1] mas |
| Distance | 390 ± 20 ly (120 ± 5 pc) |
| Absolute magnitude (MV) | +0.26[2] |
| Details | |
| Mass | 3.07 ± 0.14[2] M☉ |
| Radius | 2.4 ± 0.3[2] R☉ |
| Luminosity | 110[2] L☉ |
| Surface gravity (log g) | 4.29 ± 0.11[2] cgs |
| Temperature | 11,967[2] K |
| Rotation | 4.189 days[2] |
| Other designations | |
| Database references | |
| SIMBAD | data |
63 Andromedae or PZ Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 5.57.
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
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 North, P. (June 1998), "Do SI stars undergo any rotational braking?", Astronomy and Astrophysics 334: 181–187, arXiv:astro-ph/9802286, Bibcode:1998A&A...334..181N
External links
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