12 Per
12 Per
12 Per is a F-type (Yellow-White) star located in the constellation Perseus. It carries the designation 12 Per.
Located approximately 78.9 light-years from Earth, 12 Per resides within the broader disk of our Milky Way galaxy.
12 Per is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.91, 12 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 white hue, which corresponds to a B-V color index of +0.582.
Physical Properties
| Spectral Class | Class F — F-type (Yellow-White) |
| Color Index (B−V) | 0.582 |
Observation
| Apparent Magnitude | +4.91 |
| Absolute Magnitude | 2.99 |
| Distance | 78.9 ly |
| Constellation | Perseus |
Position
| Right Ascension | 2h 42.25m |
| Declination | 40° 11.64′ |
Frequently Asked Questions
What type of star is 12 Per?
12 Per is a Class F — F-type (Yellow-White) star.
How far is 12 Per from Earth?
12 Per is approximately 78.9 light-years from Earth.
Can you see 12 Per with the naked eye?
With an apparent magnitude of 4.91, 12 Per is visible to the naked eye.
What constellation is 12 Per in?
12 Per is located in the constellation Perseus.