Hydrogen issue in Core Collapse Supernovae

Details Hydrogen issue in Core Collapse Supernovae Hydrogen issue in Core Collapse Supernovae

2006-11-06

arxiv.org/abs/astro-ph/0611182v1

AIPConf.Proc.924:277-284,2007

Astronomy and Astrophysics

Astrophysics

8 pages. Proceedings of the conference ``The Multicoloured Landscape of Compact Objects and their Explosive Origins'', 2006 Ju

Scientific paper

10.1063/1.2774870

We discuss results of analyzing a time series of selected photospheric-optical spectra of core collapse supernovae (CCSNe). This is accomplished by means of the parameterized supernovae synthetic spectrum (SSp) code ``SYNOW''. Special attention is addressed to traces of hydrogen at early phases, especially for the stripped-envelope SNe (i.e. SNe Ib-c). A thin low mass hydrogen layer extending to very high ejection velocities above the helium shell, is found to be the most likely scenario for Type Ib SNe.

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