Omicron Sagittarii
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Sagittarius |
| Right ascension | 19h 04m 41.0s |
| Declination | -21° 44′ 30″ |
| Apparent magnitude (V) | +3.76 |
| Characteristics | |
| Spectral type | K0III |
| Astrometry | |
| Distance | 139 ± 5 ly (43 ± 1 pc) |
| Absolute magnitude (MV) | 0.61 |
| Other designations | |
Omicron Sagittarii (ο Sgr / ο Sagittarii) is a binary star in the constellation Sagittarius. It also has the traditional name Manubrij or Manubrium, from a Latin word meaning handle, or haft. ο Sagittarii is located 139 light years from Earth.
ο Sagittarii is a spectral type K0 orange giant and has an apparent magnitude of +3.77. It has a faint, 13th magnitude companion, ο Sagittarii B, 36 arc seconds away.
Because it is close to the ecliptic, ο Sagittarii can be occulted by the Moon and very rarely by planets. The last occultation of ο Sagittarii by a planet took place on 24 December 1937, when it was occulted by Mercury.[citation needed]
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