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Central Density Effects on
White Dwarf Supernovae

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Contact: F.X.Timmes
my one page vitae,
full vitae,
research statement, and
teaching statement.

Central Density II (2012)
In this paper by Krueger et al we more fully explore the systematic effect of the central density on the brightness of white dwarf supernovae under the the single-degenerate paradigm. We refine a brightness-age relation that improves predictions for single-degenerate events and compare this relation with observations.

image
initial flame surfaces
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early deflagration phase
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first DDT events
image
late in detonation phase
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compared to observations
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56Ni for 149 realizations


Central Density I (2010)
In this letter by Krueger et al we explore correlations between the peak brightness of white dwarf supernova and the age of the progenitor stellar population, which corresponds to the central density of the progenitor white dwarf.

image
yields for 150 realizations
image
brighter is younger
image
compared to observations