Browsing by Author "Dufour, P."

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    • The magnetic and metallic degenerate G77-50 

      Farihi, J.; Dufour, P.; Napiwotzki, R.; Koester, D. (2011-06)
      An accumulation of multi-epoch, high-resolution optical spectra reveal that the nearby star G77-50 is a very cool DAZ white dwarf externally polluted by Mg, Fe, Al, Ca and possibly Na, Cr, Mn. The metallic and hydrogen ...