21Mu Dra
21Mu Dra
21Mu Dra is a F-type (Yellow-White) star. It carries the designation 21Mu Dra.
Located approximately 89.5 light-years from Earth, 21Mu Dra resides within the broader disk of our Milky Way galaxy.
21Mu Dra is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.91, 21Mu 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 white hue, which corresponds to a B-V color index of +0.471.
Physical Properties
| Spectral Class | Class F — F-type (Yellow-White) |
| Color Index (B−V) | 0.471 |
Observation
| Apparent Magnitude | +4.91 |
| Absolute Magnitude | 2.72 |
| Distance | 89.5 ly |
Position
| Right Ascension | 17h 5.34m |
| Declination | 54° 28.20′ |
Frequently Asked Questions
What type of star is 21Mu Dra?
21Mu Dra is a Class F — F-type (Yellow-White) star.
How far is 21Mu Dra from Earth?
21Mu Dra is approximately 89.5 light-years from Earth.
Can you see 21Mu Dra with the naked eye?
With an apparent magnitude of 4.91, 21Mu Dra is visible to the naked eye.