Résumé / Abstract Seminaire_IAP
« Radiative-transfer modeling of massive-star explosions  »

Luc Dessart
California Inst. Technology (Caltech) (Pasadena, California, Etats-Unis d'Amérique)

In this talk, I will review the basic properties of supernova light curves and spectra. I will first focus on core-collapse supernovae of Type II, which stem from the explosion of blue and red supergiants, and discuss the various evidences that suggest that such events stem from low to moderate mass single massive stars. A similar conclusion arises from the analysis of SN Ib/c radiation, supporting their association with low to moderate mass massive stars in close binaries. These results have important implications for massive-star evolution, massive-star explosion, the nature of the compact remnant, or the role of core-collapse supernovae for the chemical evolution of the Universe.

In the second part of the talk, I will present results from more "exotic" supernovae, in particular the possibility of producing super-luminous events in association with the electron-positron pair-production instability in supermassive progenitor stars or through the influence of a young magnetar.
vendredi 7 décembre 2012 - 11:00
Amphithéâtre Henri Mineur, Institut d'Astrophysique de Paris
Page web du séminaire / Seminar's webpage