A novel explosive process is required for the γ-ray burst GRB 060614

A. Gal-Yam, D. B. Fox, P. A. Price, E. O. Ofek, M. R. Davis, D. C. Leonard, A. M. Soderberg, B. P. Schmidt, K. M. Lewis, B. A. Peterson, S. R. Kulkarni, E. Berger, S. B. Cenko, R. Sari, K. Sharon, D. Frail, D. S. Moon, P. J. Brown, A. Cucchiara, F. HarrisonT. Piran, S. E. Persson, P. J. McCarthy, B. E. Penprase, R. A. Chevalier, A. I. MacFadyen

    Research output: Contribution to journalArticle

    Abstract

    Over the past decade, our physical understanding of γ-ray bursts (GRBs) has progressed rapidly, thanks to the discovery and observation of their long-lived afterglow emission. Long-duration (≳2 s) GRBs are associated with the explosive deaths of massive stars ('collapsars', ref. 1), which produce accompanying supernovae; the short-duration (≲2 s) GRBs have a different origin, which has been argued to be the merger of two compact objects. Here we report optical observations of GRB 060614 (duration ∼100 s, ref. 10) that rule out the presence of an associated supernova. This would seem to require a new explosive process: either a massive collapsar that powers a GRB without any associated supernova, or a new type of 'engine', as long-lived as the collapsar but without a massive star. We also show that the properties of the host galaxy (redshift z = 0.125) distinguish it from other long-duration GRB hosts and suggest that an entirely new type of GRB progenitor may be required.

    Original languageEnglish (US)
    Pages (from-to)1053-1055
    Number of pages3
    JournalNature
    Volume444
    Issue number7122
    DOIs
    StatePublished - Dec 21 2006

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    Gal-Yam, A., Fox, D. B., Price, P. A., Ofek, E. O., Davis, M. R., Leonard, D. C., ... MacFadyen, A. I. (2006). A novel explosive process is required for the γ-ray burst GRB 060614. Nature, 444(7122), 1053-1055. https://doi.org/10.1038/nature05373

    A novel explosive process is required for the γ-ray burst GRB 060614. / Gal-Yam, A.; Fox, D. B.; Price, P. A.; Ofek, E. O.; Davis, M. R.; Leonard, D. C.; Soderberg, A. M.; Schmidt, B. P.; Lewis, K. M.; Peterson, B. A.; Kulkarni, S. R.; Berger, E.; Cenko, S. B.; Sari, R.; Sharon, K.; Frail, D.; Moon, D. S.; Brown, P. J.; Cucchiara, A.; Harrison, F.; Piran, T.; Persson, S. E.; McCarthy, P. J.; Penprase, B. E.; Chevalier, R. A.; MacFadyen, A. I.

    In: Nature, Vol. 444, No. 7122, 21.12.2006, p. 1053-1055.

    Research output: Contribution to journalArticle

    Gal-Yam, A, Fox, DB, Price, PA, Ofek, EO, Davis, MR, Leonard, DC, Soderberg, AM, Schmidt, BP, Lewis, KM, Peterson, BA, Kulkarni, SR, Berger, E, Cenko, SB, Sari, R, Sharon, K, Frail, D, Moon, DS, Brown, PJ, Cucchiara, A, Harrison, F, Piran, T, Persson, SE, McCarthy, PJ, Penprase, BE, Chevalier, RA & MacFadyen, AI 2006, 'A novel explosive process is required for the γ-ray burst GRB 060614', Nature, vol. 444, no. 7122, pp. 1053-1055. https://doi.org/10.1038/nature05373
    Gal-Yam A, Fox DB, Price PA, Ofek EO, Davis MR, Leonard DC et al. A novel explosive process is required for the γ-ray burst GRB 060614. Nature. 2006 Dec 21;444(7122):1053-1055. https://doi.org/10.1038/nature05373
    Gal-Yam, A. ; Fox, D. B. ; Price, P. A. ; Ofek, E. O. ; Davis, M. R. ; Leonard, D. C. ; Soderberg, A. M. ; Schmidt, B. P. ; Lewis, K. M. ; Peterson, B. A. ; Kulkarni, S. R. ; Berger, E. ; Cenko, S. B. ; Sari, R. ; Sharon, K. ; Frail, D. ; Moon, D. S. ; Brown, P. J. ; Cucchiara, A. ; Harrison, F. ; Piran, T. ; Persson, S. E. ; McCarthy, P. J. ; Penprase, B. E. ; Chevalier, R. A. ; MacFadyen, A. I. / A novel explosive process is required for the γ-ray burst GRB 060614. In: Nature. 2006 ; Vol. 444, No. 7122. pp. 1053-1055.
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    AU - Fox, D. B.

    AU - Price, P. A.

    AU - Ofek, E. O.

    AU - Davis, M. R.

    AU - Leonard, D. C.

    AU - Soderberg, A. M.

    AU - Schmidt, B. P.

    AU - Lewis, K. M.

    AU - Peterson, B. A.

    AU - Kulkarni, S. R.

    AU - Berger, E.

    AU - Cenko, S. B.

    AU - Sari, R.

    AU - Sharon, K.

    AU - Frail, D.

    AU - Moon, D. S.

    AU - Brown, P. J.

    AU - Cucchiara, A.

    AU - Harrison, F.

    AU - Piran, T.

    AU - Persson, S. E.

    AU - McCarthy, P. J.

    AU - Penprase, B. E.

    AU - Chevalier, R. A.

    AU - MacFadyen, A. I.

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    N2 - Over the past decade, our physical understanding of γ-ray bursts (GRBs) has progressed rapidly, thanks to the discovery and observation of their long-lived afterglow emission. Long-duration (≳2 s) GRBs are associated with the explosive deaths of massive stars ('collapsars', ref. 1), which produce accompanying supernovae; the short-duration (≲2 s) GRBs have a different origin, which has been argued to be the merger of two compact objects. Here we report optical observations of GRB 060614 (duration ∼100 s, ref. 10) that rule out the presence of an associated supernova. This would seem to require a new explosive process: either a massive collapsar that powers a GRB without any associated supernova, or a new type of 'engine', as long-lived as the collapsar but without a massive star. We also show that the properties of the host galaxy (redshift z = 0.125) distinguish it from other long-duration GRB hosts and suggest that an entirely new type of GRB progenitor may be required.

    AB - Over the past decade, our physical understanding of γ-ray bursts (GRBs) has progressed rapidly, thanks to the discovery and observation of their long-lived afterglow emission. Long-duration (≳2 s) GRBs are associated with the explosive deaths of massive stars ('collapsars', ref. 1), which produce accompanying supernovae; the short-duration (≲2 s) GRBs have a different origin, which has been argued to be the merger of two compact objects. Here we report optical observations of GRB 060614 (duration ∼100 s, ref. 10) that rule out the presence of an associated supernova. This would seem to require a new explosive process: either a massive collapsar that powers a GRB without any associated supernova, or a new type of 'engine', as long-lived as the collapsar but without a massive star. We also show that the properties of the host galaxy (redshift z = 0.125) distinguish it from other long-duration GRB hosts and suggest that an entirely new type of GRB progenitor may be required.

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