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2021ApJ...914..138C - Astrophys. J., 914, 138-138 (2021/June-3)

Delayed detonation thermonuclear supernovae with an extended dark matter component.

CHAN H.-S., CHU M.-C., LEUNG S.-C. and LIN L.-M.

Abstract (from CDS):

We present spherically symmetric simulations of the thermonuclear explosion of a white dwarf admixed with an extended component of fermionic dark matter, using the deflagration model with the deflagration-detonation transition. In all the dark matter admixed models we have considered, the dark matter is left behind after the explosion as a compact dark star. The presence of dark matter lengthens the deflagration phase to produce a similar amount of iron-group elements and more thermoneutrinos. Dark matter admixed models also give dimmer but slowly declining light curves, consistent with some observed peculiar supernovae. Our results suggest a formation path for dark compact objects that mimic sub-solar-mass black holes as dark gravitational sources.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Dark matter - Type Ia supernovae - Hydrodynamical simulations - Supernova neutrinos - Light curves

Simbad objects: 16

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