42 Cassiopeiae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 01h 42m 55.864s[1] |
| Declination | +70° 37′ 21.09″[1] |
| Apparent magnitude (V) | +5.18 |
| Characteristics | |
| Spectral type | B9 V |
| B−V color index | −0.04 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +006 km/s |
| Proper motion (μ) | RA: 76.87 ± .22[1] mas/yr Dec.: −14.03 ± .20[1] mas/yr |
| Parallax (π) | 11.75 ± 0.23[1] mas |
| Distance | 278 ± 5 ly (85 ± 2 pc) |
| Absolute magnitude (MV) | +0.51 |
| Details | |
| Radius | 2.63 ± 0.13[2] R☉ |
| Surface gravity (log g) | 3.98 ± 0.04[2] cgs |
| Temperature | 10,141 ± 61[2] K |
| Other designations | |
42 Cassiopeiae is a star in the constellation Cassiopeia. It is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.18 and is approximately 278 light years[1] from Earth.
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 3 Fitzpatrick, E. L.; Massa, D. (March 2005), "Determining the Physical Properties of the B Stars. II. Calibration of Synthetic Photometry", The Astronomical Journal 129 (3): 1642–1662, arXiv:astro-ph/0412542, Bibcode:2005AJ....129.1642F, doi:10.1086/427855
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