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- W3100976900 abstract "During the classical nova outburst, the radiation generated by the nuclear burning of hydrogen in the surface layer of a white dwarf (WD) is reprocessed by the outer material into different forms at softer energies, which distribution in the spectrum depends on the nova age. Using the method of multiwavelength modeling the SED we determined physical parameters of the stellar, nebular and dust component of radiation isolated from the spectrum of the classical nova V339 Del from day 35 to day 636 after its explosion. The transition from the iron-curtain phase to the super-soft source phase (days 35 - 72), when the optical brightness dropped by 3-4 mag, the absorbing column density fell by its circumstellar component from $sim 1times 10^{23}$ to $sim 1times 10^{21}$ cm$^{-2}$, and the emission measure decreased from $sim 2times 10^{62}$ to $sim 8.5times 10^{60}$ cm$^{-3}$, was caused by stopping-down the mass-loss from the WD. The day 35 model SED indicated an oblate shape of the WD pseudophotosphere and the presence of the dust located in a slow equatorially concentrated outflow. The dust emission peaked around day 59. Its co-existence with the strong super-soft X-ray source in the day 100 model SED constrained the presence of the disk-like outflow, where the dust can spend a long time. Both the models SED revealed a super-Eddington luminosity of the burning WD at a level of $1-2times 10^{39},(d/4.5{rm kpc})^2$ erg s$^{-1}$, lasting from $sim$day 2 to at least day 100." @default.
- W3100976900 created "2020-11-23" @default.
- W3100976900 creator A5029409855 @default.
- W3100976900 date "2019-06-11" @default.
- W3100976900 modified "2023-09-23" @default.
- W3100976900 title "Multiwavelength Modeling of the SED of Nova V339 Del: Stopping the Wind and Long-lasting Super-Eddington Luminosity with Dust Emission" @default.
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- W3100976900 doi "https://doi.org/10.3847/1538-4357/ab1f07" @default.
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