Type Ia Supernovae and Their Environments

To approach the Chandasekhar mass and explode as a Type Ia supernova, a white dwarf must accrete material from a binary companion. In most cases, this transfer of material should leave an imprint on the environment in the form of detectable circumbinary material. I will discuss multi-wavelength constraints on the environments of SNe Ia and the implications for progenitor systems, with particular focus on our deep radio observations with the JVLA.

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