Alpha Sagittarii
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Sagittarius |
| Right ascension | 19h 23m 53.2s |
| Declination | -40° 36' 58" |
| Apparent magnitude (V) | +3.96 |
| Distance | 170 ± 9 ly (52 ± 3 pc) |
| Spectral type | B8V |
| Other designations | |
Alpha Sagittarii (α Sgr / α Sagittarii) is a star in the constellation of Sagittarius. It also has the traditional names Rukbat and Alrami, derived from the Arabic Ar-Rukbah Ar-Rāmi = the knee of the archer
Rukbat is a blue, class B dwarf star. It is not particularly bright, with a magnitude of +3.96.
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