Diversity of GRB energetics vs. SN homogeneity: supernova 2013cq associated with the gamma-ray burst 130427A ⋆

@article{Melandri2014DiversityOG,
  title={Diversity of GRB energetics vs. SN homogeneity: supernova 2013cq associated with the gamma-ray burst 130427A ⋆},
  author={A. Melandri and Elena Pian and Valerio D’Elia and Paolo D’Avanzo and Massimo Della Valle and Paolo A. Mazzali and Gianpiero Tagliaferri and Zach Cano and Andrew J. Levan and Palle M{\o}ller and Lorenzo Amati and Maria Grazia Bernardini and David Bersier and Filomena Bufano and Sergio Campana and Alberto J. Castro-Tirado and Stefano Covino and Giancarlo Ghirlanda and Kevin Hurley and Daniele B. Malesani and Nicola Masetti and Eliana Palazzi and Silvia Piranomonte and Andrea Rossi and Ruben Salvaterra and Rhaana L. C. Starling and M. Tanaka and Nial R. Tanvir and Susanna D Vergani},
  journal={arXiv: High Energy Astrophysical Phenomena},
  year={2014}
}
Aims. Long-duration gamma-ray bursts (GRBs) have been found to be associated with broad-lined type-Ic supernovae (SNe), but only a handful of cases have been studied in detail. Prompted by the discovery of the exceptionally bright, nearby GRB 130427A (redshift z = 0.3399), we aim at characterising the properties of its asso ciated SN 2013cq. This is the first opportunity to test direct ly the progenitors of high-luminosity GRBs. Methods. We monitored the field of the Swift long duration GRB… 

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