20 Oph

20 Oph

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20 Oph is a F-type (Yellow-White) star. It carries the designation 20 Oph.

Located approximately 104.3 light-years from Earth, 20 Oph resides within the broader disk of our Milky Way galaxy.

20 Oph is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

With an apparent magnitude of +4.64, 20 Oph 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 +0.478.

Физические свойства

Спектральный класс F Class F — F-type (Yellow-White)
Показатель цвета (B−V) 0,478

Наблюдение

Видимая звёздная величина +4.64
Абсолютная звёздная величина 2,12
Расстояние 104 ly

Положение

Прямое восхождение 16h 49,83m
Склонение -10° 46,98′

Frequently Asked Questions

What type of star is 20 Oph?
20 Oph is a Class F — F-type (Yellow-White) star.
How far is 20 Oph from Earth?
20 Oph is approximately 104.3 light-years from Earth.
Can you see 20 Oph with the naked eye?
With an apparent magnitude of 4.64, 20 Oph is visible to the naked eye.