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'Alpha Lupi' (α Lup / α Lupi) is a star in the constellation Lupus. It is called the traditional Chinese name 'Men', and sometimes by the Arabic name 'Kakkab', which means ''"Guide Star"'' or ''"Star of Fortune"''.
It is a Beta Cephei variable with a period of just over 6 hours, 14 minutes, and the magnitude varies by about 0.03, or about 3% of the total luminosity. A small star situated near Alpha Lupi may just be an optical companion.