Iota Sagittarii
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 19h 55m 15.7s |
| Declination | −41° 52' 06" |
| Apparent magnitude (V) | +4.12 |
| Absolute magnitude (V) | +0.30 |
| Distance | 189 ± 9 ly (58 ± 3 pc) |
| Spectral type | K0III |
| Other designations | |
Iota Sagittarii (Iota Sgr, ι Sagittarii, ι Sgr) is a star in the constellation Sagittarius.
Iota Sagittarii is a spectral type K0 giant and has an apparent magnitude of +4.12. It is 189 light years from Earth. It is moving through the Galaxy at a speed of 39.3 km/s relative to the Sun. Its projected Galactic orbit carries it between 22,500 and 50,100 light years from the center of the Galaxy.[1]
It came closest to the Sun 1.3 million years ago when it had brightened to magnitude 2.21 from a distance of 75 light years.[1]
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