The diversity of type Ia supernovae from broken symmetries

  title={The diversity of type Ia supernovae from broken symmetries},
  author={Daniel N. Kasen and Friedrich K. R{\"o}pke and Stan E. Woosley},
Type Ia supernovae result when carbon-oxygen white dwarfs in binary systems accrete mass from companion stars, reach a critical mass and explode. The near uniformity of their light curves makes these supernovae good ‘standard candles’ for measuring cosmic expansion, but a correction must be applied to account for the fact that the brighter ones have broader light curves. One-dimensional modelling, with a certain choice of parameters, can reproduce this general trend in the width–luminosity… CONTINUE READING

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