40Zet Her
40Zet Her
40Zet Her is a F-type (Yellow-White) star located in the constellation Hercules. It carries the designation 40Zet Her.
40Zet Her lies approximately 35.0 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 34 years ago.
40Zet Her is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
At an apparent magnitude of +2.81, 40Zet Her 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 yellow-white hue, which corresponds to a B-V color index of +0.650.
Đặc tính vật lý
| Phân Loại Quang Phổ | F Class F — F-type (Yellow-White) |
| Chỉ số màu (B−V) | 0,650 |
Quan sát
| Cấp Sao Biểu Kiến | +2.81 |
| Cấp Sao Tuyệt Đối | 2,66 |
| Khoảng Cách | 35.0 ly |
| Chòm Sao | Hercules |
Vị trí
| Xích kinh | 16h 41,29m |
| Xích vĩ | 31° 36,16′ |