Inverse Compton X-ray Emission from Supernovae with Compact Progenitors: Application to SN2011fe

Details Inverse Compton X-ray Emission from Supernovae with Compact Progenitors: Application to SN2011fe Inverse Compton X-ray Emission from Supernovae with Compact Progenitors: Application to SN2011fe

2012-02-03

arxiv.org/abs/1202.0741v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Submitted to ApJ

Scientific paper

We present a generalized analytic formalism for the inverse Compton X-ray emission from hydrogen-poor supernovae and apply this framework to SN2011fe using Swift-XRT, UVOT and Chandra observations. We characterize the optical properties of SN2011fe in the Swift bands and find them to be broadly consistent with a "normal" SN Ia, however, no X-ray source is detected by either XRT or Chandra. We constrain the progenitor system mass loss rate to be lower than 2x10^-9 M_sun/yr (3sigma c.l.) for wind velocity v_w=100 km/s. Our result rules out symbiotic binary progenitors for SN2011fe and argues against Roche-lobe overflowing subgiants and main sequence secondary stars if >1% of the transferred mass is lost at the Lagrangian points. Regardless of the density profile, the X-ray non-detections are suggestive of a clean environment (particle density < 150 cm-3) for (2x10^15

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