XMM-Newton Proposal 02055801

Details XMM-Newton Proposal 02055801 XMM-Newton Proposal 02055801

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..292s&link_type=abstract

XMM-Newton Proposal ID #02055801

Physics

X1659-298, Xmm-Newton Proposal 02055801

Scientific paper

Different mechanisms may power the quiescent emission of soft X--ray transients, impacting on the physics of fast spinning, weakly magnetic neutron stars subject to low mass inflow rates: a) the accretion regime; b) the propeller regime; c) the radio pulsar regime. The emission location and spectrum should be: close to the neutron star and soft in cases a) and b); from an extended shock and power-law like in case c). Additional soft emission may originate from neutron star cooling. We propose an 80 ks observation of the eclipsing system X1658-298, covering 3 orbits. This will yield the source quiescent spectrum and exploit the X-ray eclipses to determine where the emission components originate. Only XMM-Newton has the sensitivity and throughput to carry out this study.

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