ラランド21185
ラランド21185 is a M-type (Red) star located in the constellation Ursa Major.
At a distance of approximately 8.31 light-years, ラランド21185 is one of the Sun's closest stellar neighbors. Light that we observe from ラランド21185 today left the star roughly 8 years ago, making it a near neighbor in galactic terms.
ラランド21185 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
ラランド21185 has an apparent magnitude of +7.49, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its red hue, which corresponds to a B-V color index of +1.502.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.502 |
観測
| 見かけの等級 | +7.49 |
| 絶対等級 | 10.46 |
| 距離 | 8.3 ly |
| 星座 | Ursa Major |
位置
| 赤経 | 11h 3.34m |
| 赤緯 | 35° 58.19′ |
よくある質問
What type of star is ラランド21185?
ラランド21185 is a Class M — M-type (Red) star.
How far is ラランド21185 from Earth?
ラランド21185 is approximately 8.3 light-years from Earth.
Can you see ラランド21185 with the naked eye?
With an apparent magnitude of 7.49, ラランド21185 is not visible to the naked eye.
What constellation is ラランド21185 in?
ラランド21185 is located in the constellation Ursa Major.