backc2VlIFNwZWN0cnVtIFZhcmlhYmxlLiAgMiBDVm4gaGFzIGEgcGVyaW9kIG9mIDUuNDY5IGRheXMuIEl0cyBzcGVjdHJ1bSBzaG93cyBzdHJvbmcsIHByb2Z1c2UgbGluZXMgb2YgcmFyZSBlYXJ0aHMsIGlyb24tcGVhayBlbGVtZW50cywgYW5kIFNpLiA=see Spectrum Variable. 2 CVn has a period of 5.469 days. Its spectrum shows strong, profuse lines of rare earths, iron-peak elements, and Si.