アルデバラン
87Alp Tau
アルデバラン is a K-type (Orange) star located in the constellation Taurus. It carries the designation 87Alp Tau.
Located approximately 66.6 light-years from Earth, アルデバラン resides within the broader disk of our Milky Way galaxy.
アルデバラン is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
アルデバラン has an apparent magnitude of +0.87, 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 +1.538.
物理的特性
| スペクトル型 | Class K — K-type (Orange) |
| 色指数 (B−V) | 1.538 |
観測
| 見かけの等級 | +0.87 |
| 絶対等級 | -0.68 |
| 距離 | 66.6 ly |
| 星座 | Taurus |
位置
| 赤経 | 4h 35.92m |
| 赤緯 | 16° 30.56′ |
Related Chemistry
Explore the chemical elements connected to アルデバラン on our sister site ChemFYI.
TiO molecular bands begin to appear in late K-type giants
Strong iron absorption lines characterise K-type stellar spectra
Ca II H & K lines are the strongest features in K-type stars
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