Estimating dust distances to Type Ia supernovae from colour excess time evolution

@article{Bulla2017EstimatingDD,
  title={Estimating dust distances to Type Ia supernovae from colour excess time evolution},
  author={Mattia Bulla and Ariel Goobar and Rahman Amanullah and Ulrich Feindt and Raphael Ferretti},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2017},
  volume={473},
  pages={1918-1929}
}
We present a new technique to infer dust locations towards reddened Type Ia supernovae and to help discriminate between an interstellar and a circumstellar origin for the observed extinction. Using ... 

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