7 Per
7 Per
7 Per is a G-type (Yellow) star located in the constellation Perseus. It carries the designation 7 Per.
Located approximately 819.5 light-years from Earth, 7 Per resides within the broader disk of our Milky Way galaxy.
7 Per is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
With an apparent magnitude of +5.99, 7 Per 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 +1.039.
Đặc tính vật lý
| Phân Loại Quang Phổ | G Class G — G-type (Yellow) |
| Chỉ số màu (B−V) | 1,039 |
Quan sát
| Cấp Sao Biểu Kiến | +5.99 |
| Cấp Sao Tuyệt Đối | -1,01 |
| Khoảng Cách | 819 ly |
| Chòm Sao | Perseus |
Vị trí
| Xích kinh | 2h 18,08m |
| Xích vĩ | 57° 30,98′ |
Frequently Asked Questions
What type of star is 7 Per?
7 Per is a Class G — G-type (Yellow) star.
How far is 7 Per from Earth?
7 Per is approximately 819.5 light-years from Earth.
Can you see 7 Per with the naked eye?
With an apparent magnitude of 5.99, 7 Per is visible to the naked eye.
What constellation is 7 Per in?
7 Per is located in the constellation Perseus.