Exploring the X-ray emission from the unique ms-Pulsar PSR 1937+21

Details Exploring the X-ray emission from the unique ms-Pulsar PSR 1937+21 Exploring the X-ray emission from the unique ms-Pulsar PSR 1937+21

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop..147b&link_type=abstract

XMM-Newton Proposal ID #06053701

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Psr B1937+21

Scientific paper

PSR B1937+21 is among the top brightest MSPs. Previous observatories like BSAX and XTE, however, allowed only a coarse characterization of its emission. Its pulse profile is double peaked with narrow pulses which are phase aligned with the giant radio pulses! Its spectrum is dominated by non-thermal emission. Timing analysis in different energy bands indicated that the pulsed emission is harder than suggested from phase integrated spectral fits. An unresolved ~40% DC component below 4 keV is indicated. PSR B1937+21 was for many years not observable by XMM due to satellite orbit constrains. We propose to explore its emission by performing a phase resolved spectral analysis in order to separate the different spectral components suggested to be present in the pulsar emission.

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