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Abstract: Photospheric abundance determinations for several HgMn stars were undertaken using archival ESO-UVES spectra. Unblended lines in the visible region of the spectrum of the elements Ti, Cr, Mn and Fe were used to obtain their abundance and to search for the presence of abundance stratification as a function of optical depth. Results are reported for HD 178065 and HD 175640. Of the elements studied, only Mn shows signs of abundance stratification.
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Last update: April 17, 2008