Delta Cassiopeiae
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| Observation data Epoch J2000.0 |
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|---|---|
| Constellation | Cassiopeia |
| Right ascension | 01h25m49.0s |
| Declination | +60°14′07″ |
| Apparent magnitude (V) | +2.66 |
| Distance | 99.4 ± 1.9 ly (30.5 ± 0.6 pc) |
| Spectral type | A5III-IV |
| Other designations | |
Delta Cassiopeiae (δ Cas / δ Cassiopeiae) is a star in the constellation Cassiopeia. It also has the traditional names Ksora and Ruchbah, derived from an Arabic word ركبة rukbah meaning "knee".
Delta Cassiopeiae is an eclipsing binary with a period of 759 days. Its apparent magnitude varies between +2.68 mag and +2.74 with a period of 759 days. It is of spectral class A3, and is approximately 99 light years from Earth.
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