42 Her
42 Her
42 Her is a M-type (Red) star located in the constellation Hercules. It carries the designation 42 Her.
Located approximately 414.4 light-years from Earth, 42 Her resides within the broader disk of our Milky Way galaxy.
42 Her is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +4.86, 42 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 red hue, which corresponds to a B-V color index of +1.562.
Physical Properties
| Spectral Class | Class M — M-type (Red) |
| Color Index (B−V) | 1.562 |
Observation
| Apparent Magnitude | +4.86 |
| Absolute Magnitude | -0.66 |
| Distance | 414 ly |
| Constellation | Hercules |
Position
| Right Ascension | 16h 38.75m |
| Declination | 48° 55.70′ |
Frequently Asked Questions
What type of star is 42 Her?
42 Her is a Class M — M-type (Red) star.
How far is 42 Her from Earth?
42 Her is approximately 414.4 light-years from Earth.
Can you see 42 Her with the naked eye?
With an apparent magnitude of 4.86, 42 Her is visible to the naked eye.
What constellation is 42 Her in?
42 Her is located in the constellation Hercules.