2 Cen
2 Cen
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2 Cen is a M-type (Red) star located in the constellation Centaurus. It carries the designation 2 Cen.
Located approximately 183.0 light-years from Earth, 2 Cen resides within the broader disk of our Milky Way galaxy.
2 Cen is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +4.19, 2 Cen sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its red hue, which corresponds to a B-V color index of +1.520.
물리적 특성
| 분광형 | M Class M — M-type (Red) |
| 색지수 (B−V) | 1.520 |
관측
| 겉보기 등급 | +4.19 |
| 절대 등급 | 0.44 |
| 거리 | 183 ly |
| 별자리 | Centaurus |
위치
| 적경 | 13h 49.45m |
| 적위 | -34° 27.05′ |