Fig. 6
Ultraviolet spectra of HD 81817, Θ Her, and μ Gem. Top panel: co-added IUE spectra of HD 81817 (observation IDs SWP19602+SWP21111, red line) and a white dwarf model fromKoester (2010) with the parameters given by Reimers (1984). Second panel: co-added IUE spectra of Θ Her (observation IDs SWP13642+SWP19624). Third panel: IUE spectrum of μ Gem. Bottom panel: HST STIS/FUV-MAMA E140M spectrum of μ Gem. The three spectra (HST observing IDs oc7 × 09020, oc7 × 09030 and oc7 × 09040) were co-added and rebinned with a bin size of 1 Å.
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