Drag to interact
Visibility Check
Analyze real-time astronomical and meteorological data for 21 Com.
21 Com
A2pvar21 Com · Coma Berenices
21 Com is a A2pvar-type star located in the constellation of Coma Berenices. Sitting at a distance of approximately 270 ly from Earth, it shines with an apparent magnitude of 5.47, making it an interesting target for observation. It is officially recorded in the Hipparcos catalog as HIP 61071.
Common Name21 Com
Bayer Designation21 Com
HIP Catalog IDHIP 61071
ConstellationComa Berenices
Right Ascension12h 31m 0.6s
Declination+24° 34' 2"
Distance270 ly
Apparent Magnitude+5.47
Absolute Magnitude+0.88
Color Index (B-V)0.06
Spectral ClassA2pvar
Variable StarNo