1 Cassiopeiae
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Cassiopeia |
| Right ascension | 23h06m36.9s |
| Declination | +59°25′11″ |
| Apparent magnitude (V) | +4.84 |
| Characteristics | |
| Spectral type | B0.5IV |
| U-B color index | −0.87 |
| B-V color index | −0.03 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −9 km/s |
| Proper motion (μ) | RA: 6.77 mas/yr Dec.: −1.97 mas/yr |
| Parallax (π) | 2.95 ± 0.53 mas |
| Distance | 1110 ly (339 pc) |
| Absolute magnitude (MV) | −2.8 |
| Other designations | |
1 Cassiopeiae is a star in the constellation Cassiopeia. It is a blue-white B-type subgiant with an apparent magnitude of +4.84 and is approximately 1110 light years from Earth.
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