55 Ori
55 Ori
55 Ori is a B-type (Blue-White) star located in the constellation Orion. It carries the designation 55 Ori.
At a distance of roughly 1,049 light-years, 55 Ori is a distant star lying deep within the Milky Way galaxy.
55 Ori is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.36, 55 Ori 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 blue hue, which corresponds to a B-V color index of -0.195.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.195 |
Observation
| Apparent Magnitude | +5.36 |
| Absolute Magnitude | -2.18 |
| Distance | 1,049 ly |
| Constellation | Orion |
Position
| Right Ascension | 5h 51.37m |
| Declination | -7° 31.08′ |
Frequently Asked Questions
What type of star is 55 Ori?
55 Ori is a Class B — B-type (Blue-White) star.
How far is 55 Ori from Earth?
55 Ori is approximately 1,048.7 light-years from Earth.
Can you see 55 Ori with the naked eye?
With an apparent magnitude of 5.36, 55 Ori is visible to the naked eye.
What constellation is 55 Ori in?
55 Ori is located in the constellation Orion.