Based on observations obtained using the Musicos spectropolarimeter at the Observatoire du Pic du Midi (France), during the MuSiCoS 98 campaign (Neiner et al. 2002), and by Balona et al. (2001). Based on INES data from the International Ultraviolet Explorer (IUE) satellite.

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Table 7 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/409/275

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