A Pan-Spectral Method of Abundance Determination

Details A Pan-Spectral Method of Abundance Determination A Pan-Spectral Method of Abundance Determination

2007-12-19

arxiv.org/abs/0712.3222v1

In: Precision Spectroscopy in Astrophysics, ESO Astrophysics Symposia, Springer 2008, 145-148

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, contribution presented at the ESO/Lisbon/Aveiro Workshop on Precision Spectroscopy in Astrophysics held in

Scientific paper

10.1007/978-3-540-75485-5_32

We propose a new method for determination of element abundances in stellar atmospheres aimed for the automatic processing of high-quality stellar spectra. The pan-spectral method is based on weighted cumulative line-widths Q of studied element. Difference in quantities Q found from synthetic and observed spectra gives a correction to the initial abundance. Final abundances are then found by rapidly converging iterations. Calculations can be made for many elements simultaneously and do not demand supercomputers.

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