4 Cas

4 Cas

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4 Cas is a M-type (Red) star located in the constellation Cassiopeia. It carries the designation 4 Cas.

Located approximately 785.9 light-years from Earth, 4 Cas resides within the broader disk of our Milky Way galaxy.

4 Cas is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.

With an apparent magnitude of +4.96, 4 Cas 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 red hue, which corresponds to a B-V color index of +1.676.

Physical Properties

Spectral Class M Class M — M-type (Red)
Color Index (B−V) 1.676

Observation

Apparent Magnitude +4.96
Absolute Magnitude -1.95
Distance 786 ly
Constellation Cassiopeia

Position

Right Ascension 23h 24.84m
Declination 62° 16.97′

Frequently Asked Questions

What type of star is 4 Cas?
4 Cas is a Class M — M-type (Red) star.
How far is 4 Cas from Earth?
4 Cas is approximately 785.9 light-years from Earth.
Can you see 4 Cas with the naked eye?
With an apparent magnitude of 4.96, 4 Cas is visible to the naked eye.
What constellation is 4 Cas in?
4 Cas is located in the constellation Cassiopeia.