Vol 13, No 6 (2013) / Cui

X-ray and optical plateaus following the main bursts in GRBs and SNe II-P: a hint about similar late injection behaviors?

Xiao-Hong Cui, Ren-Xin Xu

Abstract

We analyze the emission plateaus in the X-ray afterglow light curves of gamma-ray bursts (GRBs) and those in the optical light curves of type II plateau supernovae (SNe II-P) in order to study whether they have similar late energy injection behaviors. We show that correlations of bolometric energies (or luminosities) between the prompt explosions and the plateaus for the two phenomena are similar. The energy emitted by SNe II-P are at the lower end of the range of possible energies for GRBs. The bolometric energies (or luminosities) in the prompt phase Eexpl (or Lexpl) and in the plateau phase Eplateau (or Lplateau) share relations of EexplE0.73±0.14plateau and LexplL~0.70plateau. These results may indicate a similar late energy injection behavior that produces the observed plateaus in these two phenomena.

Keywords


gamma rays: bursts — supernovae: general — methods: statistical

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