Rho2 Cephei

ρ2 Cephei ( RHO2 Cephei ) is a main-sequence star of spectral type A3 with an apparent brightness of 5.5 mag. It is located in the constellation Cepheus and is located at a distance of about 245 light-years; its rotation speed is projected V · sin ( i) = 120 km / s

The star bears the historical proper names Al Kalb al Rai (Arabic الكلب الراعي, DMG al - calf ar - ʿ ī rā, Shepherd ').