Polis
13Mu Sgr
Polis is a B-type (Blue-White) star located in the constellation Sagittarius. It carries the designation 13Mu Sgr.
Polis is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
Polis is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.84, Polis 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 blue-white hue, which corresponds to a B-V color index of +0.195.
Đặc tính vật lý
| Phân Loại Quang Phổ | B Class B — B-type (Blue-White) |
| Chỉ số màu (B−V) | 0,195 |
Quan sát
| Cấp Sao Biểu Kiến | +3.84 |
| Cấp Sao Tuyệt Đối | -16,16 |
| Khoảng Cách | 326,156 ly |
| Chòm Sao | Sagittarius |
Vị trí
| Xích kinh | 18h 13,76m |
| Xích vĩ | -21° 3,53′ |
Frequently Asked Questions
What type of star is Polis?
Polis is a Class B — B-type (Blue-White) star.
How far is Polis from Earth?
Polis is approximately 326,156.0 light-years from Earth.
Can you see Polis with the naked eye?
With an apparent magnitude of 3.84, Polis is visible to the naked eye.
What constellation is Polis in?
Polis is located in the constellation Sagittarius.