Mid-IR Spectra of Type Ia SN 2014J in M82 Spanning the First Four Months

Charles M. Telesco, Peter Höflich, Dan Li +12

We present a time series of 8 - 13 $\mu$m spectra and photometry for SN 2014J obtained 57, 81, 108, and 137 d after the explosion using CanariCam on the Gran Telescopio Canarias. Thi…