로스 154
로스 154 is a M-type (Red) star located in the constellation Sagittarius.
At a distance of approximately 9.69 light-years, 로스 154 is one of the Sun's closest stellar neighbors. Light that we observe from 로스 154 today left the star roughly 9 years ago, making it a near neighbor in galactic terms.
로스 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, 로스 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.
물리적 특성
| 분광형 | Class M — M-type (Red) |
| 색지수 (B−V) | 1.510 |
관측
| 겉보기 등급 | +10.37 |
| 절대 등급 | 13.01 |
| 거리 | 9.7 ly |
| 별자리 | Sagittarius |
위치
| 적경 | 18h 49.82m |
| 적위 | -23° 50.17′ |
자주 묻는 질문
What type of star is 로스 154?
로스 154 is a Class M — M-type (Red) star.
How far is 로스 154 from Earth?
로스 154 is approximately 9.7 light-years from Earth.
Can you see 로스 154 with the naked eye?
With an apparent magnitude of 10.37, 로스 154 is not visible to the naked eye.
What constellation is 로스 154 in?
로스 154 is located in the constellation Sagittarius.