Accueil > Séminaires d’Astrophysique > Massive stars and their explosions in the early universe

 

Massive stars and their explosions in the early universe

Sung-Chul Yoon (Argelander-Institut für Astronomie der Universität Bonn, Allemagne ) — au CESR

Par Francois RINCON - 30/09/2010

 

Séminaires d’Astrophysique

de l’Observatoire Midi-Pyrénées


Séminaire de

Sung-Chul Yoon

(Argelander-Institut für Astronomie der Universität Bonn, Allemagne)

Jeudi 30 Septembre 2010 à 11h

CESR


Massive stars and their explosions in the early universe

Massive stars and supernovae/GRBs are useful future tools for the probe of the early universe. As the formation of the first and second generations of stars is supposed to occur in metal-free/poor environements, the standard picture of massive stars, which is based on the sample in nearby galaxies including our own, may not be applicable. In this talk, I will address a few issues on the evolution of massive stars and their consequent explosions in the early universe. They include the effect of various physical processes (e.g. rotation, dark matter, pulsation) on the stellar evolution, the possibility of observing very energetic events like long gamma-ray bursts and some exotic types of supernovae at high redshift, and massive star populations in the early universe.

 

 

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Laboratoire Astrophysique de Toulouse - Tarbes (UMR5572)

CNRS (Midi-Pyrénées)

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