Time resolved spectroscopy of GRB 030501 using INTEGRAL (Articolo in rivista)

Type
Label
  • Time resolved spectroscopy of GRB 030501 using INTEGRAL (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Beckmann, V.; Borkowski, J.; Courvoisier, T. J.-L.;Götz, D.; Hudec, R.; Hroch, F.; Lund, N.; Mereghetti, S.; Shaw, S. E.; von Kienlin, A.; Wigger, C. (2003)
    Time resolved spectroscopy of GRB 030501 using INTEGRAL
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Beckmann, V.; Borkowski, J.; Courvoisier, T. J.-L.;Götz, D.; Hudec, R.; Hroch, F.; Lund, N.; Mereghetti, S.; Shaw, S. E.; von Kienlin, A.; Wigger, C. (literal)
Pagina inizio
  • L327 (literal)
Pagina fine
  • L330 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 411 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Time resolved spectroscopy of GRB 030501 using INTEGRAL (literal)
Abstract
  • The gamma-ray instruments on-board INTEGRAL offer an unique opportunity to perform time resolved analysis on GRBs. The imager IBIS allows accurate positioning of GRBs and broad band spectral analysis, while SPI provides high resolution spectroscopy. GRB 030501 was discovered by the INTEGRAL Burst Alert System in the ISGRI field of view. Although the burst was fairly weak (fluence F20-200 keV =~ 3.5 x 10-6 erg cm-2) it was possible to perform time resolved spectroscopy with a resolution of a few seconds. The GRB shows a spectrum in the 20-400 keV range which is consistent with a spectral index Gamma = -1.8. No emission line or spectral break was detectable in the spectrum. Although the flux seems to be correlated with the hardness of the GRB spectrum, there is no clear soft to hard evolution seen over the duration of the burst. The INTEGRAL data have been compared with results from the Ulysses and RHESSI experiments. (literal)

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