Phase-resolved Spectroscopy of the Thermally-emitting PSR J1740+1000

Details Phase-resolved Spectroscopy of the Thermally-emitting PSR J1740+1000 Phase-resolved Spectroscopy of the Thermally-emitting PSR J1740+1000

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..139p&link_type=abstract

XMM-Newton Proposal ID #04035702

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Psr J1740+1000, Psr J1740+1000, Xmm-Newton Proposal 04035702

Scientific paper

Our analysis of a short Chandra ACIS observation of PSR J1740+1000 has shown that it is a bright X-ray source with the spectrum dominated by thermal emission. The spectrum fits best with a two-component blackbody model although the presence of an additional power-law component is not excluded by the current data. Pulsations at the radio period of 154 ms are detected at a 3-sigma level. We propose an observation of this middle-aged (100 kyr) pulsar with EPIC to accurately measure its spectrum and pulse profile and perform phase-resolved spectroscopy and energy-resolved timing. This would unambiguously establish the nature and orgins of the pulsar's spectral components and add to our understanding of the neutron star properties and evolution.

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