Crust cooling of bright neutron star transients with long recurrence times

Details Crust cooling of bright neutron star transients with long recurrence times Crust cooling of bright neutron star transients with long recurrence times

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2569d&link_type=abstract

Chandra proposal ID #10400405

Physics

Scientific paper

We propose a series of three Chandra ToO observations of a bright neutron star X-ray transient with a long recurrence time (many years), as soon as the system returns to quiescence following its accretion outburst. Monitoring the thermal relaxation of the accretion-heated neutron star as it cools down in quiescence, allows us to probe various properties of the neutron star crust and core. By comparing these with results of transients that undergo accretion episodes of years to decades, we aim at probing possible physical differences induced by widely different outburst durations. In addition, we will test the recent theoretical conjecture that additional heating occurs in the outer layers of the neutron star crust.

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