40Zet Her

40Zet Her

40Zet Her is a F-type (Yellow-White) star located in the constellation Hercules. It carries the designation 40Zet Her.

40Zet Her lies approximately 35.0 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 34 years ago.

40Zet Her is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

At an apparent magnitude of +2.81, 40Zet Her is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.650.

Physical Properties

Spectral Class Class F — F-type (Yellow-White)
Color Index (B−V) 0.650

Observation

Apparent Magnitude +2.81
Absolute Magnitude 2.66
Distance 35.0 ly
Constellation Hercules

Position

Right Ascension 16h 41.29m
Declination 31° 36.16′

Frequently Asked Questions

What type of star is 40Zet Her?
40Zet Her is a Class F — F-type (Yellow-White) star.
How far is 40Zet Her from Earth?
40Zet Her is approximately 35.0 light-years from Earth.
Can you see 40Zet Her with the naked eye?
With an apparent magnitude of 2.81, 40Zet Her is visible to the naked eye.
What constellation is 40Zet Her in?
40Zet Her is located in the constellation Hercules.