15 Sgr
15 Sgr
15 Sgr is a B-type (Blue-White) star located in the constellation Sagittarius. It carries the designation 15 Sgr.
15 Sgr is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
15 Sgr is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.29, 15 Sgr 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 blue-white hue, which corresponds to a B-V color index of +0.007.
物理特性
| 光谱类型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.007 |
观测
| 视星等 | +5.29 |
| 绝对星等 | -14.71 |
| 距离 | 326,156 ly |
| 星座 | Sagittarius |
位置
| 赤经 | 18h 15.22m |
| 赤纬 | -20° 43.70′ |
Frequently Asked Questions
What type of star is 15 Sgr?
15 Sgr is a Class B — B-type (Blue-White) star.
How far is 15 Sgr from Earth?
15 Sgr is approximately 326,156.0 light-years from Earth.
Can you see 15 Sgr with the naked eye?
With an apparent magnitude of 5.29, 15 Sgr is visible to the naked eye.
What constellation is 15 Sgr in?
15 Sgr is located in the constellation Sagittarius.