PORETTI, EnnioEnnioPORETTINardetto, N.N.Nardetto2020-08-242020-08-242017978-83-938279-6-12545-1022http://hdl.handle.net/20.500.12386/26766We used new HARPS-N spectra to revisitate the projection factor of δ Cep and to directly measure the specific contribution of the velocity gradient within the atmosphere.ELETTRONICOenConference paperhttps://www.pta.edu.pl/proc/v5p1https://astro-staff.uibk.ac.at/~zwintz/brite2016/2017sbcs.conf..259PFIS/05 - ASTRONOMIA E ASTROFISICA