Star
Caph
Yellow-white star · F2III-IV
β Cassiopeiae · Cassiopeia
Shown in its true colour — like most stars, it is too far away to photograph as more than a point of light.
Beta Cassiopeiae is a Delta Scuti variable star in the constellation of Cassiopeia. It has the proper name Caph, pronounced ; Beta Cassiopeiae is its Bayer designation, which is Latinized from β Cassiopeiae and abbreviated Beta Cas or β Cas. This is a giant star belonging to the spectral class F2. This white star of second magnitude has an absolute magnitude of +1.3 mag.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~54.7 light-years
Apparent mag.
+2.28
Spectral type
F2III-IV
Luminosity
30.1 × Sun
Absolute mag.
+1.16
Catalogue
HIP 746
Spectral type
F2III-IV
True colour from its B–V index (0.38): a surface around 7000 K.
Did you know
- Caph is also known as β Cassiopeiae.
- Its spectral type F2III-IV marks it as a yellow-white star.
- It lies in the constellation Cassiopeia.
