Quiescent Emission from Transient Accretion-Powered Pulsars

Details Quiescent Emission from Transient Accretion-Powered Pulsars Quiescent Emission from Transient Accretion-Powered Pulsars

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1187b&link_type=abstract

Chandra Proposal ID #04400831

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Chandra Proposal Id #04400831

Scientific paper

We propose to study the quiescent emission from transiently accreting X-ray pulsars. Reactions in the neutron star (NS) crust maintain the core at a temperature sufficient to make the NS emit a minimum thermal luminosity comparable to that observed in low-B transients; thus, we will detect sources in quiescence for the first time, at predicted fluxes. Using magnetic atmosphere models, we will measure the implied emission area radii, to compare with those measured from low-B transients. We will search for pulsations at the known periods, to constrain the fraction of the quiescent luminosity contributed by surface thermal emission, and spectrally disentangle the thermal emission from other emission mechanisms, such as accretion onto the NS magnetosphere.

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