Arkab Posterior
Bet2Sgr
Arkab Posterior is a F-type (Yellow-White) star located in the constellation Sagittarius. It carries the designation Bet2Sgr.
Located approximately 134.2 light-years from Earth, Arkab Posterior resides within the broader disk of our Milky Way galaxy.
Arkab Posterior is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.27, Arkab Posterior sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its white hue, which corresponds to a B-V color index of +0.350.
物理的特性
| スペクトル型 | F Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.350 |
観測
| 見かけの等級 | +4.27 |
| 絶対等級 | 1.20 |
| 距離 | 134 ly |
| 星座 | Sagittarius |
位置
| 赤経 | 19h 23.22m |
| 赤緯 | -44° 47.99′ |
Frequently Asked Questions
What type of star is Arkab Posterior?
Arkab Posterior is a Class F — F-type (Yellow-White) star.
How far is Arkab Posterior from Earth?
Arkab Posterior is approximately 134.2 light-years from Earth.
Can you see Arkab Posterior with the naked eye?
With an apparent magnitude of 4.27, Arkab Posterior is visible to the naked eye.
What constellation is Arkab Posterior in?
Arkab Posterior is located in the constellation Sagittarius.