42 Cassiopeiae
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| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Cassiopeia |
| Right ascension | 01h 42m 55.9s |
| Declination | +70° 37′ 21″ |
| 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: 76.62 mas/yr Dec.: −13.62 mas/yr |
| Parallax (π) | 11.62 ± 0.54 mas |
| Distance | 281 ly (86.1 pc) |
| Absolute magnitude (MV) | +0.51 |
| Details | |
| Radius | 2.63 ± 0.13[1] R☉ |
| Surface gravity (log g) | 3.98 ± 0.04[1] |
| Temperature | 10,141 ± 61[1] 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 281 light years from Earth.
[edit] References
- ^ a b c 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, Bibcode 2005AJ....129.1642F, doi:10.1086/427855
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