Wannan motsi na plasma mai gudanarwa yana aiki kamar dynamo, inda motsi na cajin lantarki ke haifar da filayen magnetic, kamar yadda dynamo na inji yake. Waɗannan filayen magnetic suna da babban kewayon da ke yaɗuwa ko'ina kuma bayan tauraron. Ƙarfin filin magnetic ya bambanta tare da taro da abun da ke cikin tauraron, kuma yawan aikin magnetic surface ya dogara da yawan jujjuyawar tauraron. Wannan aikin surface yana samar da starspots, waɗanda yankuna ne na filayen magnetic mai ƙarfi da ƙananan yanayin zafi fiye da yadda aka saba.
sannu a hankali rage yawan juyawa tare da lokaci