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  1. Multi-epoch observations of a supernova associated with a γ-ray burst reveal spectral features at extremely high expansion velocities within the first day after the burst, indicative of a choked jet.
    Author:L. Izzo, A. de Ugarte Postigo, A. de Ugarte Postigo, K. Maeda, C. C. Thöne, D. A. Kann, M. Della Val...Published:2019
  2. pubmed.ncbi.nlm.nih.gov

    Long γ-ray bursts are associated with energetic, broad-lined, stripped-envelope supernovae 1,2 and as such mark the death of massive stars. The scarcity of such events nearby and the brightness of the γ-ray burst afterglow, which dominates the emission in the first few days after the burst, have so far prevented the study of the very early evolution of supernovae associated with γ-ray bursts 3.
  3. Long gamma-ray bursts mark the death of massive stars, as revealed by their association with energetic broad-lined stripped-envelope supernovae. The scarcity of nearby events and the brightness of the GRB afterglow, dominating the first days of emission, have so far prevented the study of the very early stages of the GRB-SN evolution. Here we present detailed, multi-epoch spectroscopic ...
    Author:L. Izzo, A. de Ugarte Postigo, K. Maeda, C. C. Thöne, D. A. Kann, M. Della Valle, A. Sagues Carraced...Published:2019
  4. Signature of a je cocoon in ealy peca of a penova aociated ih a γ -ay burst L. Izzo 1*, ... associated supernovae 14,15. The spectrum obtained at day 0.975 shows broad absorption features,
    Author:L. Izzo, A. de Ugarte Postigo, A. de Ugarte Postigo, K. Maeda, C. C. Thöne, D. A. Kann, M. Della Val...Published:2019
  5. researchgate.net

    Request PDF | Signatures of a jet cocoon in early spectra of a supernova associated with a γ-ray burst | Long γ-ray bursts are associated with energetic, broad-lined, stripped-envelope ...
  6. semanticscholar.org

    Multi-epoch observations of a supernova associated with a γ-ray burst reveal spectral features at extremely high expansion velocities within the first day after the burst, indicative of a choked jet. Long γ-ray bursts are associated with energetic, broad-lined, stripped-envelope supernovae1,2 and as such mark the death of massive stars. The scarcity of such events nearby and the brightness ...
  7. researchgate.net

    The scarcity of such events nearby and the brightness of the γ-ray burst afterglow, which dominates the emission in the first few days after the burst, have so far prevented the study of the very ...
  8. jet expanding into the medium surrounding the progenitor star6,7. This cocoon becomes rapidly transparent8 and is outshone by the supernova emission which starts dominating three days after the burst. These results proves that the jet plays an important role not only in powering the GRB event but also its associated supernova.

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