XMM-Newton Proposal 02066701

Details XMM-Newton Proposal 02066701 XMM-Newton Proposal 02066701

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..347r&link_type=abstract

XMM-Newton Proposal ID #02066701

Physics

4U0142+614, Xmm-Newton Proposal 02066701

Scientific paper

The ``magnetar'' model, proposed to account for the nature of the X-ray emission from AXPs, assume that these sources are powered by magnetic field decay of a magnetic field strength of >10^14 Gauss. If the magnetar scenario is correct, proton cyclotron features (PCFs) are expected to lie in the X-ray band. We propose an XMM observation of the 4U0142+614, the brightest source of this class of pulsars. The present request is first aimed at searching for an absorption feature due to proton cyclotron scattering, that would allow us to finally infer its magnetic field strenght. Secondly, we will study the link between timing and spectral properties. Finally, we will check for the presence of a broad spectral feature we marginally detected during a ASCA 2001 observation.

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