4 Her

4 Her

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4 Her is a B-type (Blue-White) star located in the constellation Hercules. It carries the designation 4 Her.

Located approximately 536.4 light-years from Earth, 4 Her resides within the broader disk of our Milky Way galaxy.

4 Her is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.73, 4 Her 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 -0.102.

Physical Properties

Spectral Class B Class B — B-type (Blue-White)
Color Index (B−V) -0.102

Observation

Apparent Magnitude +5.73
Absolute Magnitude -0.35
Distance 536 ly
Constellation Hercules

Position

Right Ascension 15h 55.51m
Declination 42° 33.97′

Frequently Asked Questions

What type of star is 4 Her?
4 Her is a Class B — B-type (Blue-White) star.
How far is 4 Her from Earth?
4 Her is approximately 536.4 light-years from Earth.
Can you see 4 Her with the naked eye?
With an apparent magnitude of 5.73, 4 Her is visible to the naked eye.
What constellation is 4 Her in?
4 Her is located in the constellation Hercules.