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The nature of the Na I D-lines in the Red Rectangle
ISM: jets and outfl ows – stars: AGB and post-AGB – stars: individ-ual(HD 44179) – stars: mass-loss – binaries: close
2011/10/19
In this paper we examine the profiles of the complex Na I D-lines in the Red Rectangle. The spectra were acquired with the ARCES \'{e}chelle spectrograph R = 38,000 on the 3.5-m telescope at the Apach...