Two LMC Superbubbles With Evidence of SNR Shocks

Details Two LMC Superbubbles With Evidence of SNR Shocks Two LMC Superbubbles With Evidence of SNR Shocks

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..142w&link_type=abstract

XMM-Newton Proposal ID #05036802

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, N185 Sb, N70 Sb, Xmm-Newton Proposal 05036802

Scientific paper

Superbubbles (SBs) are formed by the combined actions of stellar winds and supernova explosions from massive stars in OB associations. These objects contribute significantly to the hot gas component of a galaxy s interstellar medium (ISM), as well as affecting the structure of the ISM to large scales. We propose XMM-Newton observations of two SBs in the Large Magellanic Cloud, N70 and N185, with indicators of recent interior SNe. From their X-ray spectra, we will investigate (a) enhanced abundances indicating recent enrichment by SN ejecta; (b) the energy budgets of the SBs, and whether those are consistent with expected stellar-wind inputs; and (c) the required input of SNRs to these SBs to obtain the observed energies.

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