The XMM-Newton view of the radio-quiet neutron star 1E 1207.4-5209

2); A. De Luca (1; Garching; Germany; (4) MPE; Germany; (5) Universita' di Pavia; G.F. Bignami (5) ((1) IASF/CNR sez. Milano; Italy); Italy; (2) Universita' di Milano Bicocca; Italy; (3) ESO; Milano

arxiv: astro-ph/0211101 · v2 · submitted 2002-11-06 · 🌌 astro-ph

The XMM-Newton view of the radio-quiet neutron star 1E 1207.4-5209

A. De Luca (1 , 2) , S. Mereghetti (1) , P.A. Caraveo (1) , R.P. Mignani (3) , W. Becker (4) , G.F. Bignami (5) ((1) IASF/CNR sez. Milano , Milano

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Italy; (2) Universita' di Milano Bicocca Italy; (3) ESO Garching Germany; (4) MPE Germany; (5) Universita' di Pavia Pavia Italy)

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keywords featuresradio-quietxmm-newtonabsorptionatmospherebelievebroadcameras

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We have observed the radio-quiet X-ray pulsar 1E 1207.4-5209 with the high throughput EPIC cameras onboard XMM-Newton. The spectrum of this peculiar source is characterized by two broad absorption features which present significant substructures and show a clear phase-dependence. We believe that these features represent a strong evidence for the presence of a magnetized atmosphere containing heavy elements.

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The XMM-Newton view of the radio-quiet neutron star 1E 1207.4-5209

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