4 Aqr

4 Aqr

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4 Aqr is a F-type (Yellow-White) star located in the constellation Aquarius. It carries the designation 4 Aqr.

Located approximately 198.0 light-years from Earth, 4 Aqr resides within the broader disk of our Milky Way galaxy.

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

With an apparent magnitude of +5.99, 4 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 white hue, which corresponds to a B-V color index of +0.464.

Physical Properties

Spectral Class F Class F — F-type (Yellow-White)
Color Index (B−V) 0.464

Observation

Apparent Magnitude +5.99
Absolute Magnitude 2.07
Distance 198 ly
Constellation Aquarius

Position

Right Ascension 20h 51.43m
Declination -5° 37.60′

Frequently Asked Questions

What type of star is 4 Aqr?
4 Aqr is a Class F — F-type (Yellow-White) star.
How far is 4 Aqr from Earth?
4 Aqr is approximately 198.0 light-years from Earth.
Can you see 4 Aqr with the naked eye?
With an apparent magnitude of 5.99, 4 Aqr is visible to the naked eye.
What constellation is 4 Aqr in?
4 Aqr is located in the constellation Aquarius.