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http://hdl.handle.net/20.500.12386/23940
Titolo: | Ten years of Swift: A universal scaling for short and long gamma-ray bursts (EX,iso - Eγ,iso - Epk) | Autori: | Zaninoni, Elena BERNARDINI, Maria Grazia Margutti, Raffaella AMATI, LORENZO |
Data pubblicazione: | 2015 | Titolo del volume in cui è pubblicato il poster: | The Second ICRANet César Lattes Meeting: Supernovae, Neutron Stars and Black Holes | Curatore/i del volume in cui è pubblicato il contributo: | Barres de Almeida, Ulisses; Chardonnet, Pascal; Picanco Negreiros, Rodrigo; Rueda, Jorge; Ruffini, Remo; Vereshchagin, Gregory; Zen Vasconcellos, César | Serie: | AIP CONFERENCE PROCEEDINGS | Numero: | 1693 | Da pagina:: | 050008 | Abstract: | From the comprehensive statistical analysis of Swift X-ray light-curves collected from the launch of the Swift satellite until the end of 2010, we found a three-parameter correlation between the isotropic energy emitted in the rest frame 1-10<SUP>4</SUP> keV energy band during the prompt emission (E<SUB>γ,iso</SUB>), the rest frame peak of the prompt emission energy spectrum (E<SUB>pk</SUB>), and the X-ray energy emitted in the rest frame 0.3-30 keV observed energy band (E<SUB>X,iso</SUB>), computed excluding the contribution of the flares. The importance of this scaling law is that it is followed by both long and short GRBs, and, at the same time, involves prompt and afterglow emission quantities. Therefore there are some properties which are shared by long and short GRBs as a whole. We updated this correlation considering all GRBs observed until June 2014, confirming the existence of this scaling law, and examining some particular GRBs, as 090426 and 100816A. We also discuss the physics that is driving this correlation. | Titolo del convegno: | The Second ICRANet César Lattes Meeting: Supernovae, Neutron Stars and Black Holes | Luogo del convegno: | Rio de Janeiro, Niterói, João Pessoa, Recife and Fortaleza, Brazil | Periodo del convegno: | 13-22 April, 2015 | URI: | http://hdl.handle.net/20.500.12386/23940 | URL: | https://aip.scitation.org/doi/abs/10.1063/1.4937201 | ISSN: | 0094-243X | ISBN: | 978-0-7354-1340-5 | DOI: | 10.1063/1.4937201 | Bibcode ADS: | 2015AIPC.1693e0008Z | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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1.4937201.pdf | pdf editoriale | 627.98 kB | Adobe PDF |
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