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Analyze real-time astronomical and meteorological data for 21 Cas.
21 Cas
A2IV21 Cas · Cassiopeia
21 Cas is a A2IV-type star located in the constellation of Cassiopeia. Sitting at a distance of approximately 303 ly from Earth, it shines with an apparent magnitude of 5.64, making it an interesting target for observation. It is officially recorded in the Hipparcos catalog as HIP 3572.
Common Name21 Cas
Bayer Designation21 Cas
HIP Catalog IDHIP 3572
ConstellationCassiopeia
Right Ascension0h 45m 39.1s
Declination+74° 59' 17"
Distance303 ly
Apparent Magnitude+5.64
Absolute Magnitude+0.80
Color Index (B-V)0.08
Spectral ClassA2IV
Variable StarNo