Exploration of SN Ia remnants in LMC

Details Exploration of SN Ia remnants in LMC Exploration of SN Ia remnants in LMC

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..937..316k&link_type=abstract

SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP Conference Proceedings, Volume 937, pp. 316-318 (2007).

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Supernovae, Supernova Remnants, Magellanic Clouds And Other Irregular Galaxies, X-Ray

Scientific paper

We report on X-ray observations of the supernova remnant 0509-67.5 in the Large Magellanic Cloud with XMM-Newton. The Reflective Grating Spectrometer (RGS) data show that the remnant has a very high expansion velocity of 6000 km/s. The imaging spectroscopy data (EPIC) show that the remnant has an asymmetric ejecta structure: the bright southwest region of the remnant shows an overabundance of Si, S, Fe. This could be a sign of an asymmetric explosion or it could be the result of a density enhancement of the ISM in the Southwest. In addition to the data analysis we also present an hydrodynamical modeling of the remnant. The simulations allow us to put some constraints on its basic parameters.

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