39 Her
39 Her
39 Her is a F-type (Yellow-White) star located in the constellation Hercules. It carries the designation 39 Her.
Located approximately 142.7 light-years from Earth, 39 Her resides within the broader disk of our Milky Way galaxy.
39 Her is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.92, 39 Her 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 +0.402.
Propriétés physiques
| Classe Spectrale | F Class F — F-type (Yellow-White) |
| Indice de couleur (B−V) | 0,402 |
Observation
| Magnitude Apparente | +5.92 |
| Magnitude Absolue | 2,72 |
| Distance | 143 ly |
| Constellation | Hercules |
Position
| Ascension droite | 16h 41,61m |
| Déclinaison | 26° 55,01′ |
Frequently Asked Questions
What type of star is 39 Her?
39 Her is a Class F — F-type (Yellow-White) star.
How far is 39 Her from Earth?
39 Her is approximately 142.7 light-years from Earth.
Can you see 39 Her with the naked eye?
With an apparent magnitude of 5.92, 39 Her is visible to the naked eye.
What constellation is 39 Her in?
39 Her is located in the constellation Hercules.