39Del Per
39Del Per
39Del Per is a B-type (Blue-White) star located in the constellation Perseus. It carries the designation 39Del Per.
Located approximately 516.1 light-years from Earth, 39Del Per resides within the broader disk of our Milky Way galaxy.
39Del Per is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.01, 39Del Per is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.125.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.125 |
Observation
| Apparent Magnitude | +3.01 |
| Absolute Magnitude | -2.99 |
| Distance | 516 ly |
| Constellation | Perseus |
Position
| Right Ascension | 3h 42.92m |
| Declination | 47° 47.25′ |
Frequently Asked Questions
What type of star is 39Del Per?
39Del Per is a Class B — B-type (Blue-White) star.
How far is 39Del Per from Earth?
39Del Per is approximately 516.1 light-years from Earth.
Can you see 39Del Per with the naked eye?
With an apparent magnitude of 3.01, 39Del Per is visible to the naked eye.
What constellation is 39Del Per in?
39Del Per is located in the constellation Perseus.