2 Her
2 Her
2 Her is a M-type (Red) star located in the constellation Hercules. It carries the designation 2 Her.
Located approximately 653.6 light-years from Earth, 2 Her resides within the broader disk of our Milky Way galaxy.
2 Her is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +5.35, 2 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 +1.645.
Đặc tính vật lý
| Phân Loại Quang Phổ | M Class M — M-type (Red) |
| Chỉ số màu (B−V) | 1,645 |
Quan sát
| Cấp Sao Biểu Kiến | +5.35 |
| Cấp Sao Tuyệt Đối | -1,16 |
| Khoảng Cách | 654 ly |
| Chòm Sao | Hercules |
Vị trí
| Xích kinh | 15h 54,63m |
| Xích vĩ | 43° 8,31′ |
Frequently Asked Questions
What type of star is 2 Her?
2 Her is a Class M — M-type (Red) star.
How far is 2 Her from Earth?
2 Her is approximately 653.6 light-years from Earth.
Can you see 2 Her with the naked eye?
With an apparent magnitude of 5.35, 2 Her is visible to the naked eye.
What constellation is 2 Her in?
2 Her is located in the constellation Hercules.