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The unusual gamma-ray burst GRB 101225A explained as a minor body falling onto a neutron star

Author

Listed:
  • S. Campana

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • G. Lodato

    (Università degli Studi di Milano, Via Celoria 16, I-20133 Milano, Italy)

  • P. D’Avanzo

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • N. Panagia

    (Space Telescope Science Institute, 3700 San Martin Drive
    INAF - Osservatorio Astrofisico di Catania, Via Santa Sofia 78, I-95123 Catania, Italy
    Supernova Ltd, OYV #131, Northsound Road, Virgin Gorda, British Virgin Islands)

  • E. M. Rossi

    (Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, The Netherlands)

  • M. Della Valle

    (INAF - Osservatorio Astronomico di Capodimonte, Salita Moiariello 16, I-80131 Napoli, Italy)

  • G. Tagliaferri

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • L. A. Antonelli

    (INAF - Osservatorio Astronomico di Roma, Via Frascati 33, I-00044 Monte Porzio (Roma), Italy)

  • S. Covino

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • G. Ghirlanda

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • G. Ghisellini

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • A. Melandri

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • E. Pian

    (Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy
    INAF - Osservatorio Astronomico di Trieste, Via G. Tiepolo 11, I-34143 Trieste, Italy)

  • R. Salvaterra

    (Università dell’Insubria, Via Valleggio 7, I-22100 Como, Italy)

  • G. Cusumano

    (INAF - Istituto di Astrofisica Spaziale e Fisica Cosmica, Via U. La Malfa 153, I-90146 Palermo, Italy)

  • V. D’Elia

    (INAF - Osservatorio Astronomico di Roma, Via Frascati 33, I-00044 Monte Porzio (Roma), Italy
    ASI Science Data Centre, Via Galileo Galilei, I-00044 Frascati (Roma), Italy)

  • D. Fugazza

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • E. Palazzi

    (INAF - Istituto di Astrofisica Spaziale e Fisica Cosmica, Sezione di Bologna, Via Gobetti 101, I-40129 Bologna, Italy)

  • B. Sbarufatti

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

  • S. D.Vergani

    (INAF - Osservatorio Astronomico di Brera, Via E. Bianchi 46, I-23807 Merate (LC), Italy)

Abstract

Two views of Christmas γ-ray burst The Christmas γ-ray burst of 25 December 2010 (GRB 101225A, first detected by the Swift orbiting observatory) was a very unusual event. It was long lasting without the typical decreasing trend, its X-ray afterglow faded rapidly and its spectrum was atypical. Two papers in this issue offer very different explanations for these puzzling properties. Sergio Campana's group favours a comet crashing onto a neutron star as the cause of the outburst. Christina Thöne's group prefers a more conventional supernova mechanism, in this case involving a merger between a helium star and a neutron star.

Suggested Citation

  • S. Campana & G. Lodato & P. D’Avanzo & N. Panagia & E. M. Rossi & M. Della Valle & G. Tagliaferri & L. A. Antonelli & S. Covino & G. Ghirlanda & G. Ghisellini & A. Melandri & E. Pian & R. Salvaterra &, 2011. "The unusual gamma-ray burst GRB 101225A explained as a minor body falling onto a neutron star," Nature, Nature, vol. 480(7375), pages 69-71, December.
    • Handle: RePEc:nat:nature:v:480:y:2011:i:7375:d:10.1038_nature10592
    DOI: 10.1038/nature10592
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