First INTEGRAL observations of eight persistent neutron star low mass X-ray binaries (Articolo in rivista)

Type
Label
  • First INTEGRAL observations of eight persistent neutron star low mass X-ray binaries (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Paizis, A.; Beckmann, V.; Courvoisier, T. J.-L.; Vilhu, O.; Lutovinov, A.; Ebisawa, K.; Hannikainen, D.; Chernyakova, M.; Zurita Heras, J. A.; Rodriguez, J.; Zdziarski, A. A.; Bazzano, A.; Kuulkers, E.; Oosterbroek, T.; Frontera, F.; Gimenez, A.; Goldoni, (2003)
    First INTEGRAL observations of eight persistent neutron star low mass X-ray binaries
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paizis, A.; Beckmann, V.; Courvoisier, T. J.-L.; Vilhu, O.; Lutovinov, A.; Ebisawa, K.; Hannikainen, D.; Chernyakova, M.; Zurita Heras, J. A.; Rodriguez, J.; Zdziarski, A. A.; Bazzano, A.; Kuulkers, E.; Oosterbroek, T.; Frontera, F.; Gimenez, A.; Goldoni, (literal)
Pagina inizio
  • L363 (literal)
Pagina fine
  • L367 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 411 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • First INTEGRAL observations of eight persistent neutron star low mass X-ray binaries (literal)
Abstract
  • Early results from the INTEGRAL Core Program, for a sample of eight persistently bright neutron star low mass X-ray binaries in the energy range from 5 keV to 200 keV, are presented. It is shown that INTEGRAL efficiently detects sources and that spectra may be obtained up to several hundreds of keV by combining data from three of the four INTEGRAL instruments: JEM-X, IBIS and SPI. For the source GX 17+2 it is shown that the spectrum extends well above 100 keV with a flattening above 30 keV. This might suggest a non-thermal comptonisation emission, but uncertainties in the current data reduction and background determination do not allow firm conclusions to be drawn yet. Based on observations with INTEGRAL, an ESA project with instruments and science data centre funded by ESA member states (especially the PI countries: Denmark, France, Germany, Italy, Spain, and Switzerland), Czech Republic and Poland, and with the participation of Russia and the USA. (literal)
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