15 Aqr
15 Aqr
15 Aqr is a B-type (Blue-White) star located in the constellation Aquarius. It carries the designation 15 Aqr.
At a distance of roughly 1,016 light-years, 15 Aqr is a distant star lying deep within the Milky Way galaxy.
15 Aqr is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.83, 15 Aqr 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 -0.130.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.130 |
Observation
| Apparent Magnitude | +5.83 |
| Absolute Magnitude | -1.64 |
| Distance | 1,016 ly |
| Constellation | Aquarius |
Position
| Right Ascension | 21h 18.18m |
| Declination | -4° 31.17′ |
Frequently Asked Questions
What type of star is 15 Aqr?
15 Aqr is a Class B — B-type (Blue-White) star.
How far is 15 Aqr from Earth?
15 Aqr is approximately 1,016.1 light-years from Earth.
Can you see 15 Aqr with the naked eye?
With an apparent magnitude of 5.83, 15 Aqr is visible to the naked eye.
What constellation is 15 Aqr in?
15 Aqr is located in the constellation Aquarius.