3 Per
3 Per
3 Per is a K-type (Orange) star located in the constellation Perseus. It carries the designation 3 Per.
Located approximately 244.7 light-years from Earth, 3 Per resides within the broader disk of our Milky Way galaxy.
3 Per is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +5.70, 3 Per 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 orange hue, which corresponds to a B-V color index of +1.005.
Physical Properties
| Spectral Class | Class K — K-type (Orange) |
| Color Index (B−V) | 1.005 |
Observation
| Apparent Magnitude | +5.70 |
| Absolute Magnitude | 1.32 |
| Distance | 245 ly |
| Constellation | Perseus |
Position
| Right Ascension | 1h 58.56m |
| Declination | 49° 12.26′ |
Frequently Asked Questions
What type of star is 3 Per?
3 Per is a Class K — K-type (Orange) star.
How far is 3 Per from Earth?
3 Per is approximately 244.7 light-years from Earth.
Can you see 3 Per with the naked eye?
With an apparent magnitude of 5.70, 3 Per is visible to the naked eye.
What constellation is 3 Per in?
3 Per is located in the constellation Perseus.