A dedicated polarimeter for the MuSiCoS échelle spectrograph J.-F. Donati, C. Catala, G. A. Wade, G. Gallou, G. Delaigue and P. Rabou Astron. Astrophys. Suppl. Ser., 134 1 (1999) 149-159 Published online: 15 January 1999 DOI: 10.1051/aas:1999130