PIAN, ElenaElenaPIAN2020-06-192020-06-1920161824-8039http://hdl.handle.net/20.500.12386/26148ELETTRONICOenConference paper10.22323/1.285.0040https://pos.sissa.it/285/040/https://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=2852016int..workE..40PFIS/05 - ASTRONOMIA E ASTROFISICA