Chi Cassiopeiae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 01h 33m 55.877s[1] |
| Declination | +59° 13′ 55.35″[1] |
| Apparent magnitude (V) | +4.68 |
| Characteristics | |
| Spectral type | G9IIIb[2] |
| U−B color index | +0.76 |
| B−V color index | +1.00 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +006 km/s |
| Proper motion (μ) | RA: −43.03 ± 0.34[1] mas/yr Dec.: −22.31 ± 0.32[1] mas/yr |
| Parallax (π) | 15.67 ± 0.39[1] mas |
| Distance | 208 ± 5 ly (64 ± 2 pc) |
| Absolute magnitude (MV) | +0.7 |
| Details | |
| Radius | 11.0 ± 0.8[2] R☉ |
| Other designations | |
Chi Cassiopeiae (χ Cas, χ Cassiopeiae) is a star in the constellation Cassiopeia. χ Cassiopeiae is a yellow G-type giant with an apparent magnitude of +4.68. It is approximately 208 light years from Earth.[1]
References
- 1 2 3 4 5 6 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
- 1 2 Nordgren, Tyler E.; et al. (December 1999), "Stellar Angular Diameters of Late-Type Giants and Supergiants Measured with the Navy Prototype Optical Interferometer", The Astronomical Journal 118 (6): 3032–3038, Bibcode:1999AJ....118.3032N, doi:10.1086/301114
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Sunday, April 17, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.