Young mysterious Type IIn supernovae unveiled through XMM spectroscopy

Details Young mysterious Type IIn supernovae unveiled through XMM spectroscopy Young mysterious Type IIn supernovae unveiled through XMM spectroscopy

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop...24c&link_type=abstract

XMM-Newton Proposal ID #05508502

Other

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Sne-Ai, Sne-Aii, Xmm-Newton Proposal Id #05508502

Scientific paper

Type IIn supernovae (SNe IIn) are a heterogeneous class of supernovae (SNe). Neither their evolutionary status nor the origin of the tremendous mass loss from their progenitors are known. Many SNe IIn show characteristics of other types of SNe, such as IIn/Ia (SNe 2002ic,2005gj), IIn/Ibc (SN 2001em) and IIn/IIL (SN 1998S), known as ``hybrid'' SNe. This adds to the mystery of this peculiar class of SNe and calls for multiwavelength efforts, which can constrain the progenitor systems and lead to a wealth of information about the surrounding medium, ejecta density and structure of the SNe. Having already obtained VLA time to observe SNe IIn in radio bands, we propose to do XMM Spectroscopy of VLA and/or Swift detected SNe IIn to unravel the very nature of the their environment.

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