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Off-centre ignition of sub-Chandrasekhar white dwarfs does not resolve the tension with the observed - relation of type Ia supernovae
Eden Schinasi-Lemberg, Doron Kushnir
Type Ia supernovae (SNe Ia) are likely the thermonuclear explosions of carbon-oxygen (CO) white-dwarf (WD) stars, but the exact nature of their progenitor systems remains uncertain…
A cosmic formation site of silicon and sulphur revealed by a new type of supernova explosion
Steve Schulze, Avishay Gal-Yam, Luc Dessart +47
The cores of stars are the cosmic furnaces where light elements are fused into heavier nuclei. The fusion of hydrogen to helium initially powers all stars. The ashes of the fusion…
High -ray escape time in 2003fg-like supernovae: A challenge to proposed models
Amir Sharon, Doron Kushnir, Eden Schinasi-Lemberg
A rare subclass of Type Ia supernovae (SNe Ia), named after the prototype SN 2003fg, includes some of the brightest SNe Ia, often called "super Chandrasekhar-mass" SNe Ia. We calcu…
All known Type Ia supernovae models fail to reproduce the observed bolometric luminosity-width correlation
Amir Sharon, Doron Kushnir, Nahliel Wygoda
Type Ia supernovae (SNe Ia) are widely believed to arise from thermonuclear explosions of white dwarfs (WDs). However, ongoing debate surrounds their progenitor systems and the mec…
Coma cluster -ray and radio emission is consistent with a secondary electron origin for the radio halo
Doron Kushnir, Uri Keshet, Eli Waxman
Observations of diffuse, non-thermal radio emission spanning several megaparsecs have been documented in over 100 galaxy clusters. This emission, classified as giant radio halos (G…