Statistics – Computation
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...340.1006r&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 340, May 15, 1989, p. 1006-1010.
Statistics
Computation
26
Accretion Disks, Computational Astrophysics, Energy Transfer, Novae, Stellar Envelopes, Stellar Mass Accretion, White Dwarf Stars, Asymptotic Methods, Boundary Layers, Heating, Optical Thickness, Stellar Atmospheres, Stellar Rotation
Scientific paper
Understanding boundary layer heating is crucial in determining the thermal structure of the accreted envelope of a prenova white dwarf. The matched asymptotic expansion method was used to solve consistently for the structure of accretion disks transferring matter onto rotating white dwarfs. The fraction of accretion energy transported into prenova white dwarf envelopes was calculated. These results should be used by modelers of nova eruptions; they will produce significantly lower degeneracies and weaker explosions than expected until now. Detailed models of accretion disks and boundary layers can also be used to calculate the amount of white dwarf heating during a dwarf nova outburst. In general, such models can serve as input to model atmosphere codes to predict more realistic spectra of disk-accreting objects.
Regev Oded
Shara Michael M.
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