51 Her
51 Her
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51 Her is a K-type (Orange) star located in the constellation Hercules. It carries the designation 51 Her.
Located approximately 698.4 light-years from Earth, 51 Her resides within the broader disk of our Milky Way galaxy.
51 Her is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +5.03, 51 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 orange hue, which corresponds to a B-V color index of +1.246.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | K Class K — K-type (Orange) |
| ดัชนีสี (B−V) | 1.246 |
การสังเกต
| โชติมาตรปรากฏ | +5.03 |
| โชติมาตรสัมบูรณ์ | -1.62 |
| ระยะทาง | 698 ly |
| กลุ่มดาว | Hercules |
ตำแหน่ง
| ไรต์แอสเซนชัน | 16h 51.75m |
| เดคลิเนชัน | 24° 39.39′ |