Cor Caroli

(redirected from Alpha Canum Venaticorum)

Cor Caroli

(kor ka -rŏ-lÿ) (α CVn) A bluish-white star that is the brightest one in the constellation Canes Venatici, Its name means ‘Charles's Heart’ and was given to it by Edmund Halley in honor of the English King Charles II. It is a visual binary (separation 20″), the brighter component (A or α2 CVn) being the prototype of the spectrum variable stars. It has a period of 5.469 days and its spectrum shows strong profuse lines of rare earths, iron-peak elements, and silicon. mv : 2.9 (A), 5.5 (B); spectral type: B9.5 pv (A), F0 V (B).
References in periodicals archive ?
M3 has no even moderately bright stars nearby to use as guides--so look for it about halfway along the long line between Cor Caroli (Alpha Canum Venaticorum) and Arcturus.
I drew up a double-star list and one by one began to bag its targets: Alpha Ursae Majoris, Epsilon Bootis, Alpha Canum Venaticorum, Gamma Leonis, Beta Cygni, Alpha Herculis, Epsilon Lyrae....
M3 (NGC 5272) in Canes Venatici lies nearly halfway from Arcturus to Cor Caroli (Alpha Canum Venaticorum).
It's centered about halfway between Beta Leonis (Denebola) and Alpha Canum Venaticorum (Cor Caroli).
One by one, I began to bag the targets in my double-star list: Alpha Ursae Majoris, Epsilon Bootes Alpha Canum Venaticorum, Gamma Leonis, Beta Cygni, Alpha Herculis, Epsilon Lyrae, Alpha Geminorum .
There are clusters: the loose, giant Coma star cluster (halfway from Alpha Canum Venaticorum to Denebola) and the small, concentrated globular cluster M3 (about halfway from Alpha Canum Venaticorum to Arcturus).