AD Persei

AD Persei is a red supergiant star in the constellation of Perseus. It is a member of Perseus OB1 and the open cluster χ Persei.

AD Per has a spectral type of M3Iab, and has been classified as a semiregular variable of type SRc in the GCVS. It varies in apparent magnitude from 7.7 at maximum to 8.4 at minimum with a period of 362.5 days.