Patrice Bouchet – DSM/IRFU/Sap CEA-Saclay – COSPAR 2010 IRFU/ Service d'Astrophysiqu e Mid-IR observations of the Circumstellar Dust 6067 65267241 7569 6526, Qa 7241/6067, N T-ReCS, Gemini VISIR, VLT ~ The silicate emission increased as t 0.87, consistent with X-ray observations, suggesting the blast wave has transitioned from a free expansion to the Sedov phase (now expanding into the main body of the ER).
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