SiFTO: An empirical method for fitting SN Ia light curves

@article{Conley2008SiFTOAE,
  title={SiFTO: An empirical method for fitting SN Ia light curves},
  author={A. Conley and M. Sullivan and E. Hsiao and J. Guy and P. Astier and D. Balam and C. Balland and S. Basa and R. Carlberg and D. Fouchez and D. Hardin and D. Howell and I. Hook and R. Pain and K. Perrett and C. Pritchet and N. Regnault},
  journal={The Astrophysical Journal},
  year={2008},
  volume={681},
  pages={482-498}
}
We present SiFTO, a new empirical method for modeling Type Ia supernova (SN Ia) light curves by manipulating a spectral template. We make use of high-redshift SN data when training the model, allowing us to extend it bluer than rest-frame U. This increases the utility of our high-redshift SN observations by allowing us to use more of the available data. We find that when the shape of the light curve is described using a stretch prescription, applying the same stretch at all wavelengths is not… Expand
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