Stratified abundance analysis of CP star HD 103498

Chhavi P. Pandey1,2*, Denis V. Shulyak3, Denis V. Shulyak4 and Oleg Kochukhov5
1Aryabhatta Research Institute of Observational Sciences, Nainital, 263129, India
2Department of Physics, Kumaun University Nainital - 263002, India
33Institute of Astrophysics, Georg-August-University, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany
4Institute of Astronomy, Russian Academy of Sciences, Pyatnitskaya 48, 119017 Moscow, Russia
5Department of Physics and Astronomy, Uppsala University, Box 516, 751 20, Uppsala, Sweden

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Abstract

Chemically peculiar stars look spectroscopically and photometrically different from their “normal” analogs. It is therefore difficult to accurately determine atmospheric parameters of these stars and special methods are needed for the consistent analysis of their atmospheres. The main aim of the present work is to analyse atmospheric abundance and stratification of chemical elements in the atmosphere of the chemically peculiar star HD 103498.

Fig. 1 Fig. 2 Fig. 3


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Keywords : chemically peculiar, atmospheres, HD 103498