Alpha Lupi

Starbox begin
name=Alpha Lupi Starbox observe
epoch=J2000
ra=14^h 41^m 55.8^s
dec=-47° 23′ 18″
appmag_v=2.30
constell=Lupus Starbox character
class=B1.5 III
b-v=-0.20
u-b=-0.89
variable=Beta Cephei Starbox astrometry
radial_v=5
prop_mo_ra=-21.15
prop_mo_dec=-24.22
parallax=5.95
p_error=0.76
absmag_v=-3.83 Starbox detail
mass=10–11
radius=10
luminosity=18,000
temperature=21,600
metal=?
rotation=24 km/s.
age=2 × 10⁷ Starbox catalog
names=Kakkab, HR 5469, CD -46°9501, HD 129056, SAO 225128, FK5 541, CPD P-46 6927, HIP 71860.

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.