Omicron Aquarii
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Aquarius |
| Right ascension | 22h 03m 18.9s |
| Declination | −2° 09' 19" |
| Apparent magnitude (V) | +4.74 |
| Absolute magnitude (V) | -0.60 |
| Distance | 381 ± 36 ly (117 ± 11 pc) |
| Spectral type | B7IVe |
| Other designations | |
Omicron Aquarii (ο Aqr / ο Aquarii) is a star in the constellation Aquarius. It has the traditional star name Kae Uh, which is derived from the Mandarin 蓋屋 gaìwū meaning "the roof".
Omicron Aquarii is a blue-white B-type subgiant with a mean apparent magnitude of +4.74. It is approximately 381 light years from Earth. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from magnitude +4.68 to +4.89.
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