Model Atmospheres for the ``Most Abnormal'' DZ White Dwarf

Details Model Atmospheres for the ``Most Abnormal'' DZ White Dwarf Model Atmospheres for the ``Most Abnormal'' DZ White Dwarf

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.4602a&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #46.02; Bulletin of the American Astronomical Society, Vol. 26, p.1382

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Scientific paper

We present model atmospheres calculations for G165-7, a DZ white dwarf with the most metal lines in its spectrum. The model spectra are fitted to existing ground-based observations from 3200 Angstroms to 10,000 Angstroms , including high resolution MMT data in the region 3700 Angstroms - 4600 Angstroms (Sion et al. ApJS,72,707). We use the plane-parallel, LTE mode of the general computer code PHOENIX 4.9 to compute the model atmospheres and synthetic spectra for G165-7. About 10(5) atomic lines and 10(6) molecular lines are included within the spectral region. The equation of state is solved for 39 elements (with up to 26 ionization stages per element) and 105 molecules. The models include, self consistently, line blanketing of the lines selected from the latest atomic and molecular line list of Kurucz (1993, CD-ROM, 1 and 15) and others.

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