X-ray Spectrometry of SN1987A

Details X-ray Spectrometry of SN1987A X-ray Spectrometry of SN1987A

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop...45h&link_type=abstract

XMM-Newton Proposal ID #06710801

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Sn 1987 A

Scientific paper

Since Jan. 2007, our yearly XMM-Newton monitoring of SN 1987A yields EPIC and RGS spectra of unprecedented quality. The fluxes and broadening of the numerous emission lines provide information on the evolution of the X-ray emitting plas- ma and its dynamics. The soft X-ray light curve shows a significant flattening after 2006. To further monitor the turn-over we propose to continue our XMM- Newton monitoring of SN 1987A. This will allow us to further study the time evolution of the shock conditions and abundance profiles. At high energies EPIC-pn can help to clarify the extremely low observed Fe abundance by following the evolution of the detected Fe-K line. Is most of the Fe swallowed by the central compact object or is the emission from the inner sections of the progenitor star still absorbed?

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