Dust Formation in Supernova Ejecta: Cosmological Implications

Details Dust Formation in Supernova Ejecta: Cosmological Implications Dust Formation in Supernova Ejecta: Cosmological Implications

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..309..331f&link_type=abstract

Astrophysics of Dust, ASP Conference Series, Vol. 309,Proceedings of the conference held 26-30 May, 2003 in Estes Park, Colorado

Astronomy and Astrophysics

Astrophysics

Scientific paper

At redshift z≳ 5 supernovae are the only known dust sources with evolutionary timescales shorter than the Hubble time. We extend the model of dust formation in the ejecta of Type II SNe by Todini & Ferrara (2001) to investigate the same process in pair-instability supernovae (sngg), which are though to arise from the explosion of the first, metal free, very massive (140-260 M&sun;) stars in the Universe. The cosmological implications of high-z dust formation are discussed.

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