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astro-ph2006★ 2 cited
The Secondary Star of the HgMn Binary Phi Her
M. M. Dworetsky, Rosemary Willatt
The binary nature of the bright (V = 4.2 mag) Mercury-Manganese star Phi Her has been known since 1976 and it was considered a low-amplitude single-lined SB. In a recent study we f…
astro-ph1998
Gallium abundances in mercury-manganese stars
M. M. Dworetsky, C. M. Jomaron, C. A. Smith
There is a widespread assertion in the literature that the optical Ga lines give much higher abundances than the UV lines. We have determined Ga abundances in HgMn stars taking the…
astro-ph1998
Mercury and platinum abundances in mercury-manganese stars
C. M. Jomaron, M. M. Dworetsky, D. A. Bohlender
We report new results for the elemental and isotopic abundances of the normally rare elements mercury and platinum in HgMn stars. Typical overabundances can be 4 dex or more. The i…