3 Per
3 Per
3 Per is a K-type (Orange) star located in the constellation Perseus. It carries the designation 3 Per.
Located approximately 244.7 light-years from Earth, 3 Per resides within the broader disk of our Milky Way galaxy.
3 Per is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +5.70, 3 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 +1.005.
Đặc tính vật lý
| Phân Loại Quang Phổ | K Class K — K-type (Orange) |
| Chỉ số màu (B−V) | 1,005 |
Quan sát
| Cấp Sao Biểu Kiến | +5.70 |
| Cấp Sao Tuyệt Đối | 1,32 |
| Khoảng Cách | 245 ly |
| Chòm Sao | Perseus |
Vị trí
| Xích kinh | 1h 58,56m |
| Xích vĩ | 49° 12,26′ |
Frequently Asked Questions
What type of star is 3 Per?
3 Per is a Class K — K-type (Orange) star.
How far is 3 Per from Earth?
3 Per is approximately 244.7 light-years from Earth.
Can you see 3 Per with the naked eye?
With an apparent magnitude of 5.70, 3 Per is visible to the naked eye.
What constellation is 3 Per in?
3 Per is located in the constellation Perseus.