Broad flux depressions in Ap-stars - A comparison between synthetic spectra and spectrophotometry

Details Broad flux depressions in Ap-stars - A comparison between synthetic spectra and spectrophotometry Broad flux depressions in Ap-stars - A comparison between synthetic spectra and spectrophotometry

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....83..334m&link_type=abstract

Astronomy and Astrophysics, vol. 83, no. 3, Mar. 1980, p. 334-338. Research supported by the Oesterreichischer Fonds zur Foerde

Astronomy and Astrophysics

Astrophysics

15

A Stars, Stellar Spectrophotometry, Ultraviolet Spectra, Abundance, Atmospheric Models, Autoionization, Stellar Atmospheres, Stellar Temperature

Scientific paper

Three well-known broad absorption features in the Ap spectra are investigated using spectrophotometry and synthesized flux distributions, assuming Ap enhanced abundances. Attention is given to various features at differing temperatures. It is noted that good agreement was found between the synthetic and observed lambda-5200-spectra for the lower temperature (8000 K), but contrary to the increasing strength of the lambda-5200 feature, the model depressions were found to decrease toward hotter temperatures.

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