Ross 154
Ross 154 is a M-type (Red) star located in the constellation Sagittarius.
At a distance of approximately 9.69 light-years, Ross 154 is one of the Sun's closest stellar neighbors. Light that we observe from Ross 154 today left the star roughly 9 years ago, making it a near neighbor in galactic terms.
Ross 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, Ross 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.
Fiziksel Özellikler
| Spektral Sınıf | Class M — M-type (Red) |
| Renk İndeksi (B−V) | 1,510 |
Gözlem
| Görünür Parlaklık | +10.37 |
| Mutlak Parlaklık | 13,01 |
| Mesafe | 9.7 ly |
| Takımyıldız | Sagittarius |
Konum
| Sağ Açıklık | 18h 49,82m |
| Dik Açı | -23° 50,17′ |
Sıkça Sorulan Sorular
What type of star is Ross 154?
Ross 154 is a Class M — M-type (Red) star.
How far is Ross 154 from Earth?
Ross 154 is approximately 9.7 light-years from Earth.
Can you see Ross 154 with the naked eye?
With an apparent magnitude of 10.37, Ross 154 is not visible to the naked eye.
What constellation is Ross 154 in?
Ross 154 is located in the constellation Sagittarius.