Fixed star:  DIADEM
Constellation:  Alpha Coma Berenices
Longitude 1900:  07LIB34. Longitude 2000:  08LIB57.
Declination 1900:  +18.03'. Declination 2000:  +17.32'.
Right ascension:  13h09m. Latitude:  +22.58'.
Spectral class:  F4. Magnitude:  4.3.

History of the star: Diadem refers to the wreath of jewels in Berenice's hair, Coma Berenices.

The astrological influences of the constellation: It is said to give a suave and well-bred manner, with great personal charm, but to lead to an idle and dissipated life. There is some love of, or, ability for the stage. (Fixed Stars and Constellations in Astrology , Vivian E. Robson, 1923)