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From Wikipedia, the free encyclopedia
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This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009) |
- For other star systems with this Bayer designation, see Upsilon Cassiopeiae.
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 00h56m39.8s |
| Declination | +59°10′52″ |
| Apparent magnitude (V) | +4.62 |
| Characteristics | |
| Spectral type | G8IIIbFe-0.5 |
| U−B color index | +0.69 |
| B−V color index | +0.96 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −47 km/s |
| Proper motion (μ) | RA: −92.56 mas/yr Dec.: −45.33 mas/yr |
| Parallax (π) | 15.84 ± 0.58 mas |
| Distance | 205.9 ly (63.1 pc) |
| Absolute magnitude (MV) | +0.62 |
| Other designations | |
Upsilon2 Cassiopeiae (υ2 Cas, υ2 Cassiopeiae) is a star in the constellation Cassiopeia. υ2 Cassiopeiae is a yellow G-type giant with an apparent magnitude of +4.62. It is approximately 205.9 light years from Earth.
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