18 Aqr
18 Aqr
18 Aqr is a F-type (Yellow-White) star located in the constellation Aquarius. It carries the designation 18 Aqr.
Located approximately 153.6 light-years from Earth, 18 Aqr resides within the broader disk of our Milky Way galaxy.
18 Aqr is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.48, 18 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-white hue, which corresponds to a B-V color index of +0.297.
Физические свойства
| Спектральный класс | F Class F — F-type (Yellow-White) |
| Показатель цвета (B−V) | 0,297 |
Наблюдение
| Видимая звёздная величина | +5.48 |
| Абсолютная звёздная величина | 2,12 |
| Расстояние | 154 ly |
| Созвездие | Aquarius |
Положение
| Прямое восхождение | 21h 24,19m |
| Склонение | -12° 52,69′ |
Frequently Asked Questions
What type of star is 18 Aqr?
18 Aqr is a Class F — F-type (Yellow-White) star.
How far is 18 Aqr from Earth?
18 Aqr is approximately 153.6 light-years from Earth.
Can you see 18 Aqr with the naked eye?
With an apparent magnitude of 5.48, 18 Aqr is visible to the naked eye.
What constellation is 18 Aqr in?
18 Aqr is located in the constellation Aquarius.