Omega Scorpii
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Observation data Epoch J2000.0 |
|
---|---|
Constellation (pronunciation) |
Scorpius |
Right ascension | 16h 06m 48.4s |
Declination | −20° 40' 9" |
Apparent magnitude (V) | +3.93 |
Distance | 424 ± 48 ly (130 ± 15 pc) |
Spectral type | B1V |
Other designations | |
The Bayer designation Omega Scorpii (ω Sco / ω Scorpii) is shared by two stars, ω¹ Scorpii and ω² Scorpii, in the constellation Scorpius. They are separated by 0.24° on the sky. Omega Scorpii also has the traditional name Jabhat al Akrab, which is derived from the Arabic جبهة العقرب jabhat[u] al-caqrab meaning "[The] forehead of the scorpion".
[edit] ω¹ Scorpii
Omega-1 Scorpii is a blue-white B-type dwarf with an apparent magnitude of +3.93. It is approximately 424 light years from Earth.
[edit] ω² Scorpii
Observation data Epoch J2000.0 |
|
---|---|
Constellation (pronunciation) |
Scorpius |
Right ascension | 16h 07m 24.3s |
Declination | −20° 52' 8" |
Apparent magnitude (V) | +4.31 |
Distance | 265 ± 19 ly (81 ± 6 pc) |
Spectral type | G3II-III |
Other designations | |
Omega-2 Scorpii is a yellow G-type bright giant with an apparent magnitude of +4.31. It is approximately 265 light years from Earth.