ロス154
ロス154 is a M-type (Red) star located in the constellation Sagittarius.
At a distance of approximately 9.69 light-years, ロス154 is one of the Sun's closest stellar neighbors. Light that we observe from ロス154 today left the star roughly 9 years ago, making it a near neighbor in galactic terms.
ロス154 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +10.37, ロス154 is a faint star that requires a telescope to observe. It is invisible to the naked eye and too dim for most binoculars. Observers will note its red hue, which corresponds to a B-V color index of +1.510.
物理的特性
| スペクトル型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.510 |
観測
| 見かけの等級 | +10.37 |
| 絶対等級 | 13.01 |
| 距離 | 9.7 ly |
| 星座 | Sagittarius |
位置
| 赤経 | 18h 49.82m |
| 赤緯 | -23° 50.17′ |
よくある質問
What type of star is ロス154?
ロス154 is a Class M — M-type (Red) star.
How far is ロス154 from Earth?
ロス154 is approximately 9.7 light-years from Earth.
Can you see ロス154 with the naked eye?
With an apparent magnitude of 10.37, ロス154 is not visible to the naked eye.
What constellation is ロス154 in?
ロス154 is located in the constellation Sagittarius.