Tidal disruptions of 0.6 solar mass white dwarfs by 500 solar mass black holes can produce asymmetrical thermonuclear supernovae with 56Ni fractions from 1% to 82% depending on impact parameter and strong viewing-angle dependence in light curves and spectra.
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SN 2023dbc is a moderately energetic, highly obscured Type Ib supernova with estimated kinetic energy 4.1e51 erg, ejecta mass 2.3 solar masses, and nickel mass 0.038 solar masses, consistent with an aspherical explosion and partial fallback from a 15 solar mass binary progenitor that retained helium
citing papers explorer
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Asymmetrical thermonuclear supernovae triggered by the tidal disruption of white dwarfs
Tidal disruptions of 0.6 solar mass white dwarfs by 500 solar mass black holes can produce asymmetrical thermonuclear supernovae with 56Ni fractions from 1% to 82% depending on impact parameter and strong viewing-angle dependence in light curves and spectra.
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SN 2023dbc in M108: Optical and Near-Infrared Observations of a Highly-Obscured, Moderately Energetic Stripped-Envelope Supernova
SN 2023dbc is a moderately energetic, highly obscured Type Ib supernova with estimated kinetic energy 4.1e51 erg, ejecta mass 2.3 solar masses, and nickel mass 0.038 solar masses, consistent with an aspherical explosion and partial fallback from a 15 solar mass binary progenitor that retained helium