2 Cen
2 Cen
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.
Physical Properties
| Spectral Class | Class M — M-type (Red) |
| Color Index (B−V) | 1.520 |
Observation
| Apparent Magnitude | +4.19 |
| Absolute Magnitude | 0.44 |
| Distance | 183 ly |
| Constellation | Centaurus |
Position
| Right Ascension | 13h 49.45m |
| Declination | -34° 27.05′ |
Frequently Asked Questions
What type of star is 2 Cen?
2 Cen is a Class M — M-type (Red) star.
How far is 2 Cen from Earth?
2 Cen is approximately 183.0 light-years from Earth.
Can you see 2 Cen with the naked eye?
With an apparent magnitude of 4.19, 2 Cen is visible to the naked eye.
What constellation is 2 Cen in?
2 Cen is located in the constellation Centaurus.