The UV energy distributions of white

Details The UV energy distributions of white The UV energy distributions of white

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.5817v&link_type=abstract

HST Proposal ID #5817

Physics

Hst Proposal Id #5817 Hot Stars

Scientific paper

We have generated a grid of UV energy distributions for white dwarfs in the temperature range between 10,000 to 60,000 K at different high gravities and chemical abundances. These synthetic spectra include the contribution from quasi- molecular interactions of H atoms with H and H^+, seen in all DA stars between 9,000K and 19,000K, and have been applied to WZ Sge and VW Hyi systems {Sion et al. 1994a,b}. We have also developed a code to calculate the absorption by intervening disk material that has been successfully applied to the OY Car system {Horne et al. 1994}. Our proposed research requests HST archives of DP Leo, we will use our models to determine the temperature, gravity, magnetic field and chemical abundance in the white dwarf photosphere. This has not been done by the original HST project. We will also extend previous work on U Gem and OY Car to study the evolution of white dwarf temperature and chemical abundance between outbursts.,

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