Temporal changes of SED's of Sakurai's object (V 4334 Sgr)

Details Temporal changes of SED's of Sakurai's object (V 4334 Sgr) Temporal changes of SED's of Sakurai's object (V 4334 Sgr)

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..369p&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 369-370

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Scientific paper

Results of the computation of spectral energy distributions (SED) in spectra of Sakurai's object (V4334 Sgr) are discussed. Hydrogen deficient and carbon-reach model atmospheres with Teff 4000-6200 K and log{g} = 1.0 - 0.0 are computed by the technique of opacity sampling taking into account molecular and atomic absorption for abundances determined by Asplund et al. (1997) and T. Kipper & Klochkova (1997). The computed SED's (λλ 300-1000 nm) are fitted to the observed ones. Our conclusion is as follows: a) the theoretical SED's of Sakurai's object show a strong dependence on Teff; b) in the frame of our self-consistent approach we estimate Teff, log{g}, EB-V from the fit of computed SEDs to the observed spectra.

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