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.
Propriétés physiques
| Classe Spectrale | B Class B — B-type (Blue-White) |
| Indice de couleur (B−V) | 0,195 |
Observation
| Magnitude Apparente | +3.84 |
| Magnitude Absolue | -16,16 |
| Distance | 326,156 ly |
| Constellation | Sagittarius |
Position
| Ascension droite | 18h 13,76m |
| Déclinaison | -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.