Alpha Sagittarii
Star α Sagittarii |
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AladinLite | |||||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Sagittarius | ||||||||||||||
Right ascension | 19 h 23 m 53.2 s | ||||||||||||||
declination | -40 ° 36 ′ 58 ″ | ||||||||||||||
Apparent brightness | 3.96 likes | ||||||||||||||
Typing | |||||||||||||||
Spectral class | B8 V | ||||||||||||||
Astrometry | |||||||||||||||
distance | 170 ly | ||||||||||||||
Physical Properties | |||||||||||||||
Other names and catalog entries |
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Alpha Sagittarii (α Sagittarii / α Sgr) is a main sequence star in Sagittarius . Alpha Sagittarii has an apparent magnitude of +3.96 mag and belongs to the spectral class B8. Alpha Sagittarii is 170 light years away and has a surface temperature of about 12,000 Kelvin .
He bears the historical proper name Rukbat al Rami or Rukbat from Arabic ركبة الرامي , rukbat al-rāmī , "knees of the shooter".