The rise and fall of type Ia supernova light curves in the SDSS-II supernova survey

@article{Hayden2010TheRA,
  title={The rise and fall of type Ia supernova light curves in the SDSS-II supernova survey},
  author={Brian T. Hayden and P. Garnavich and R. Kessler and J. Frieman and S. Jha and D. Cinabro and B. Dilday and D. Kasen and J. Marriner and R. Nichol and A. Riess and M. Sako and D. Schneider and M. Smith and J. Sollerman and B. Bassett},
  journal={The Astrophysical Journal},
  year={2010},
  volume={712},
  pages={350-366}
}
  • Brian T. Hayden, P. Garnavich, +13 authors B. Bassett
  • Published 2010
  • Physics
  • The Astrophysical Journal
  • We analyze the rise and fall times of Type Ia supernova (SN Ia) light curves discovered by the Sloan Digital Sky Survey-II (SDSS-II) Supernova Survey. From a set of 391 light curves k-corrected to the rest-frame B and V bands, we find a smaller dispersion in the rising portion of the light curve compared to the decline. This is in qualitative agreement with computer models which predict that variations in radioactive nickel yield have less impact on the rise than on the spread of the decline… CONTINUE READING
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