· · · ·
Proper NameNone
Bayer DesignationNone
Flamsteed Number21 Canum Venaticorum
Other designationsBK Canum Venaticorum
HR (BSC)5023
HD115735
ConstellationCanes Venatici
Right Ascension13h 18m 15s
Declination+49° 40' 55"
Distance279 light years
85 parsecs
MagnitudeApparent: +5.2
Absolute: +0.5
Spectral ClassB9IV(Si) Blue Subgiant (uncertain, some sources prefer A0VSi: White Main Sequence Star)
Optimum VisibilityApril / May (Usually visible from northern latitudes)
Notes21 Canum Venaticorum is a variable star of the Alpha2 Canum Venaticorum type. Stars of this kind show variations in their brightness and their spectrum as they rotate (in this case over a period of some eighteen hours) due to variations on the surface of the star itself.

Indexes

Related Entries