Shell star variables. Pleione and Gamma Cassiopeiae itself are both variable stars that have intermittent shell episodes where strong shell features appear in the spectrum and the brightness increases or decreases significantly. At other times the shell is not detectable in the spectrum, and even the emission lines may disappear. Shell star A shell star is a star having a spectrum that shows extremely broad absorption lines, plus some very narrow absorption lines. They typically also show some emission lines, usually from the Balmer series but occasionally of other lines. The broad absorption lines are due to rapid rotation of the photosphere,
Iselilja (given name) Iselilja (given name) Iselilja is a Norwegian feminine given name. In 2015, in Norway 17 people had the name as a first name and 15 people had it as a middle name, according to SSB's name statistics. "Iselilja" is mentioned in the medieval Norwegian ballad , a song that has been recorded and released by Alf Cranner on the album "Rosemalt Sound" (1967), by the folk-rock band on "" (1978), and by Norwegian folk music band Gåte on their studio album "Iselilja" (2004) and their live album "Liva" (2006). The name is, according to Norwegian historian Harald S. Næss in