Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.258..167a&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 258, no. 1, Sept. 1, 1992, p. 167-176.
Astronomy and Astrophysics
Astronomy
24
Abundance, Manganese, Mercury (Metal), Spectrum Analysis, Stellar Composition, Stellar Spectra, Line Spectra, Spectrograms
Scientific paper
This paper presents fine analyses of three sharp-lined mercury-manganese stars: Pi(1) Bootis, Upsilon Herculis and HR 7361. The most Hg-rich among the 12 HgMn stars studied in this series is Pi(1) Boo. Both it and Upsilon Her are Fe- and Ni-poor. The greatest P and Mn overabundances seen in the HgMn stars occur in Hr 7361; this is also the most S-poor and one of the few Ca- and Xe-rich HgMn stars. Some correlations are found between the consistently analyzed abundances for the 12 stars. These correlations are expected if radiative diffusive processes are operating.
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