9 Cas

9 Cas

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9 Cas is a A-type (White) star located in the constellation Cassiopeia. It carries the designation 9 Cas.

9 Cas is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.

9 Cas is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.90, 9 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 blue-white hue, which corresponds to a B-V color index of +0.274.

Physical Properties

Spectral Class A Class A — A-type (White)
Color Index (B−V) 0.274

Observation

Apparent Magnitude +5.90
Absolute Magnitude -14.10
Distance 326,156 ly
Constellation Cassiopeia

Position

Right Ascension 0h 4.23m
Declination 62° 17.26′

Frequently Asked Questions

What type of star is 9 Cas?
9 Cas is a Class A — A-type (White) star.
How far is 9 Cas from Earth?
9 Cas is approximately 326,156.0 light-years from Earth.
Can you see 9 Cas with the naked eye?
With an apparent magnitude of 5.90, 9 Cas is visible to the naked eye.
What constellation is 9 Cas in?
9 Cas is located in the constellation Cassiopeia.