The anomalous X-ray pulsar 1E 1048.1-5937: Phase resolved spectroscopy with the XMM-Newton satellite (Articolo in rivista)

Type
Label
  • The anomalous X-ray pulsar 1E 1048.1-5937: Phase resolved spectroscopy with the XMM-Newton satellite (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • Tiengo, A.; Göhler, E.; Staubert, R.; Mereghetti, S. (2002)
    The anomalous X-ray pulsar 1E 1048.1-5937: Phase resolved spectroscopy with the XMM-Newton satellite
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tiengo, A.; Göhler, E.; Staubert, R.; Mereghetti, S. (literal)
Pagina inizio
  • 182 (literal)
Pagina fine
  • 187 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 383 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • AA( Istituto di Fisica Cosmica ``G. Occhialini'', via Bassini 15, 20133 Milano, Italy; XMM-Newton Science Operation Center, Vilspa ESA, Apartado 50727, 28080 Madrid, Spain), AB(Univ. Tübingen, Inst. fur Astronomie und Astrophysik, Abt. Astronomie, Waldhauserstr., 72076 Tübingen, Germany), (literal)
Titolo
  • The anomalous X-ray pulsar 1E 1048.1-5937: Phase resolved spectroscopy with the XMM-Newton satellite (literal)
Abstract
  • We report on an observation of the anomalous X-ray pulsar 1E 1048.1-5937 performed with the XMM-Newton satellite. The phase averaged spectrum of 1E 1048.1-5937 is well described by the sum of a power law with photon index ~ 2.9 and a blackbody with temperature ~ 0.6 keV, without evidence for significant absorption or emission lines. The above spectral parameters do not vary during the phases corresponding to the broad pulse, while the off pulse emission shows a different spectrum characterized by a soft excess at energies below ~ 1.5 keV. The XMM-Newton observation and a re-analysis of archival BeppoSAX data show that the spectral parameters and flux of 1E 1048.1-5937 did not change significantly during observations spanning the last four years. All the data are consistent with a 2-10 keV luminosity varying in the range ~ (5-7)x1033 erg s-1 (for a distance of 3 kpc). (literal)
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