Can Differences in the Nickel Abundance in Chandrasekhar-Mass Models Explain the Relation between the Brightness and Decline Rate of Normal Type Ia Supernovae?

@article{Mazzali2001CanDI,
  title={Can Differences in the Nickel Abundance in Chandrasekhar-Mass Models Explain the Relation between the Brightness and Decline Rate of Normal Type Ia Supernovae?},
  author={P. Mazzali and K. Nomoto and E. Cappellaro and T. Nakamura and H. Umeda and K. Iwamoto},
  journal={The Astrophysical Journal},
  year={2001},
  volume={547},
  pages={988-994}
}
  • P. Mazzali, K. Nomoto, +3 authors K. Iwamoto
  • Published 2001
  • Physics
  • The Astrophysical Journal
  • The use of Type Ia supernovae as distance indicators relies on the determination of their brightness. This is not constant, but it can be calibrated using an observed relation between the brightness and the properties of the optical light curve (decline rate, width, shape), which indicates that brighter SNe have broader, slower light curves. However, the physical basis for this relation is not yet fully understood. Among possible causes are different masses of the progenitor white dwarfs or… CONTINUE READING
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