Expositor: Ken’ichi Nomoto, Kavli IPMU, University of Tokyo.

Lugar: Sala de Conferencias Federico Ristenpart, Departamento de Astronomía. El Observatorio 1515 (Cerro Calán), Edificio Central, tercer piso, Las Condes.

Contacto: Nicolas Alvarez / nalvarez@das.uchile.cl

Organiza: Departamento de Astronomía, FCFM, U. de Chile.

Abstract: “I will discuss recent issues in theoretical studies of Type Ia supernova progenitors. (1) For the merging of double C+O white dwarfs (WDs) (DD scenario), one issue is whether the carbon detonation promptly ignites near the surface of the WD. Another issue is, in case of no surface C-detonation, whether the quiescent carbon shell burning ignites to convert the C+O WD into the O+Ne+Mg WD. (2) For the single degenerate (SD) scenario, the issue is whether the missing companions in nearby SNe Ia and SN Ia remnants can be explained with the spin-down scenario for the rotating super-Chandra mass WDs”.