31 Ori
31 Ori
31 Ori is a K-type (Orange) star located in the constellation Orion. It carries the designation 31 Ori.
Located approximately 508.0 light-years from Earth, 31 Ori resides within the broader disk of our Milky Way galaxy.
31 Ori is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +4.71, 31 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 red hue, which corresponds to a B-V color index of +1.592.
Physical Properties
| Spectral Class | Class K — K-type (Orange) |
| Color Index (B−V) | 1.592 |
Observation
| Apparent Magnitude | +4.71 |
| Absolute Magnitude | -1.25 |
| Distance | 508 ly |
| Constellation | Orion |
Position
| Right Ascension | 5h 29.73m |
| Declination | -1° 5.53′ |
Frequently Asked Questions
What type of star is 31 Ori?
31 Ori is a Class K — K-type (Orange) star.
How far is 31 Ori from Earth?
31 Ori is approximately 508.0 light-years from Earth.
Can you see 31 Ori with the naked eye?
With an apparent magnitude of 4.71, 31 Ori is visible to the naked eye.
What constellation is 31 Ori in?
31 Ori is located in the constellation Orion.