HIP 640
HIP 640 is a A-type (White) star located in the constellation Andromeda.
Located approximately 548.2 light-years from Earth, HIP 640 resides within the broader disk of our Milky Way galaxy.
HIP 640 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 640 has an apparent magnitude of +7.66, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.181.
Đặc tính vật lý
| Phân Loại Quang Phổ | Class A — A-type (White) |
| Chỉ số màu (B−V) | 0,181 |
Quan sát
| Cấp Sao Biểu Kiến | +7.66 |
| Cấp Sao Tuyệt Đối | 1,53 |
| Khoảng Cách | 548 ly |
| Chòm Sao | Andromeda |
Vị trí
| Xích kinh | 0h 7,85m |
| Xích vĩ | 38° 43,30′ |
Câu hỏi thường gặp
What type of star is HIP 640?
HIP 640 is a Class A — A-type (White) star.
How far is HIP 640 from Earth?
HIP 640 is approximately 548.2 light-years from Earth.
Can you see HIP 640 with the naked eye?
With an apparent magnitude of 7.66, HIP 640 is not visible to the naked eye.
What constellation is HIP 640 in?
HIP 640 is located in the constellation Andromeda.