17 Dra
17 Dra
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17 Dra is a B-type (Blue-White) star. It carries the designation 17 Dra.
Located approximately 412.3 light-years from Earth, 17 Dra resides within the broader disk of our Milky Way galaxy.
17 Dra is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.07, 17 Dra 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 hue, which corresponds to a B-V color index of -0.027.
物理特性
| 光谱类型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.027 |
观测
| 视星等 | +5.07 |
| 绝对星等 | -0.44 |
| 距离 | 412 ly |
位置
| 赤经 | 16h 36.23m |
| 赤纬 | 52° 55.47′ |
Frequently Asked Questions
What type of star is 17 Dra?
17 Dra is a Class B — B-type (Blue-White) star.
How far is 17 Dra from Earth?
17 Dra is approximately 412.3 light-years from Earth.
Can you see 17 Dra with the naked eye?
With an apparent magnitude of 5.07, 17 Dra is visible to the naked eye.