Quantitative Analysis of the Spectra of Early B Stars with Ultrasharp Lines

Details Quantitative Analysis of the Spectra of Early B Stars with Ultrasharp Lines Quantitative Analysis of the Spectra of Early B Stars with Ultrasharp Lines

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1171..345p&link_type=abstract

RECENT DIRECTIONS IN ASTROPHYSICAL QUANTITATIVE SPECTROSCOPY AND RADIATION HYDRODYNAMICS: Proceedings of the International Confe

Statistics

Computation

Stellar Atmospheres, Star Formation, X-Ray Spectra, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation, Star Formation, X-Ray Binaries

Scientific paper

We present selected results from an investigation that is currently underway to determine the abundances of light and Fe group elements in early B stars and assess the extent to which contemporary NLTE and LTE models represent their atmospheres. Spectral data of B stars that display ultrasharp lines, obtained with HST, FUSE, and the KPNO Coudé Feed Telescope, are compared with computations from TLUSTY/SYNSPEC and SYNTHE. The B stars include the abundance standards ι Her (B3V), HR 1886 (B1V), and HR 1887 (B0.5V).

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