Rasalgethi
64Alp1Her
Rasalgethi is a M-type (Red) star located in the constellation Hercules. It carries the designation 64Alp1Her.
Located approximately 359.6 light-years from Earth, Rasalgethi resides within the broader disk of our Milky Way galaxy.
Rasalgethi is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +2.78, Rasalgethi 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 orange hue, which corresponds to a B-V color index of +1.164.
Propriétés physiques
| Classe Spectrale | M Class M — M-type (Red) |
| Indice de couleur (B−V) | 1,164 |
Observation
| Magnitude Apparente | +2.78 |
| Magnitude Absolue | -2,43 |
| Distance | 360 ly |
| Constellation | Hercules |
Position
| Ascension droite | 17h 14,65m |
| Déclinaison | 14° 23,42′ |
Frequently Asked Questions
What type of star is Rasalgethi?
Rasalgethi is a Class M — M-type (Red) star.
How far is Rasalgethi from Earth?
Rasalgethi is approximately 359.6 light-years from Earth.
Can you see Rasalgethi with the naked eye?
With an apparent magnitude of 2.78, Rasalgethi is visible to the naked eye.
What constellation is Rasalgethi in?
Rasalgethi is located in the constellation Hercules.