The shape of the P-Cygni profile is effected by several properties of the supernova atmosphere. We demonstrate the effect of four important ones here:

  1. The velocity of the photosphere.
  2. The optical depth of the line.
  3. The density structure of the atmosphere.
  4. The line source function.
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Properties of Supernovae

The shape of the P-Cygni profile is effected by several properties of the supernova atmosphere. We demonstrate the effect of four important ones here:

  1. The velocity of the photosphere.
  2. The optical depth of the line.
  3. The density structure of the atmosphere.
  4. The line source function.