49 Cassiopeiae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | A:2h 5m 31.5481s B:2h 5m 30.0s |
| Declination | A:+76° 6′ 54.218″ B:+76° 6′ 54″ |
| Apparent magnitude (V) | 5.225 / 12.3 |
| Characteristics | |
| Spectral type | G8III / ? |
| Astrometry | |
| Radial velocity (Rv) | 0.0 / ? km/s |
| Proper motion (μ) | RA: -12.19 / ? mas/yr Dec.: -20.49 / ? mas/yr |
| Parallax (π) | 7.65 ± 0.52 mas |
| Distance | 430 ± 30 ly (131 ± 9 pc) |
| Other designations | |
49 Cassiopeiae is a binary star system in the constellation Cassiopeia, approximately 430 light years away from Earth. The main star, 5th magnitude 49 Cassiopeiae A, is a yellow giant star of the spectral type G8III. It is in the same temperature range as our Sun, 5,000 to 6,000 kelvins. It is many times larger and more luminous. Its companion, 12th magnitude 49 Cassiopeiae B, is much fainter and of an unknown spectral type.
References
- ↑ "Simbad Query Result". Simbad. Retrieved October 31, 2007.
- ↑ "Simbad Query Result". Simbad. Retrieved October 31, 2007.
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