アンタレス
21Alp Sco
アンタレス is a M-type (Red) star located in the constellation Scorpius. It carries the designation 21Alp Sco.
Located approximately 553.8 light-years from Earth, アンタレス resides within the broader disk of our Milky Way galaxy.
アンタレス is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
アンタレス has an apparent magnitude of +1.06, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its red hue, which corresponds to a B-V color index of +1.865.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.865 |
観測
| 見かけの等級 | +1.06 |
| 絶対等級 | -5.09 |
| 距離 | 554 ly |
| 星座 | Scorpius |
位置
| 赤経 | 16h 29.41m |
| 赤緯 | -26° 25.92′ |
Related Chemistry
Explore the chemical elements connected to アンタレス on our sister site ChemFYI.
TiO bands dominate the spectrum of this M-type supergiant
Iron peak elements from advanced nucleosynthesis stages
Oxygen combines with titanium forming prominent TiO molecules
Part of the Science FYI Family