Search for abundance stratification in the atmospheres of HgMn stars

Details Search for abundance stratification in the atmospheres of HgMn stars Search for abundance stratification in the atmospheres of HgMn stars

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coska..38..461t&link_type=abstract

Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 38, no. 2, p. 461-462.

Astronomy and Astrophysics

Astronomy

2

Stars: Chemically Peculiar, Stars: Abundances

Scientific paper

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 HD178065 and HD175640. Of the elements studied, only Mn shows signs of abundance stratification.

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