25 Cyg
25 Cyg
25 Cyg is a B-type (Blue-White) star located in the constellation Cygnus. It carries the designation 25 Cyg.
At a distance of roughly 1,320 light-years, 25 Cyg is a distant star lying deep within the Milky Way galaxy.
25 Cyg is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.15, 25 Cyg 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 -0.133.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.133 |
Observation
| Apparent Magnitude | +5.15 |
| Absolute Magnitude | -2.89 |
| Distance | 1,320 ly |
| Constellation | Cygnus |
Position
| Right Ascension | 19h 59.92m |
| Declination | 37° 2.57′ |
Frequently Asked Questions
What type of star is 25 Cyg?
25 Cyg is a Class B — B-type (Blue-White) star.
How far is 25 Cyg from Earth?
25 Cyg is approximately 1,320.5 light-years from Earth.
Can you see 25 Cyg with the naked eye?
With an apparent magnitude of 5.15, 25 Cyg is visible to the naked eye.
What constellation is 25 Cyg in?
25 Cyg is located in the constellation Cygnus.