Identifying the Nearest and Brightest Neutron Stars

Details Identifying the Nearest and Brightest Neutron Stars Identifying the Nearest and Brightest Neutron Stars

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop..162f&link_type=abstract

XMM-Newton Proposal ID #05553210

Physics

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, 1Rxsj051723.3-3, 1Rxsj131318.9-4, 1Rxsj213944.3+5, Xmm-Newton Proposal Id #05553210

Scientific paper

Using catalog cross-correlation and more than 400 ksec of Swift satellite X-ray and UV observations, we have identified 12 candidate neutron stars from among the 18,811 sources of the ROSAT Bright Source Catalog. With one of these now confirmed as the eighth isolated neutron star, 'Calvera,' we request XMM-Newton observations of the eleven remaining to collect (1) Sub-arcsec positions; (2) High-quality X-ray spectra; and (3) X-ray timing data. These three parallel investigations will address vital physical properties of the sources and reveal whether, and in what respects, they resemble the known populations of neutron stars. This single program thus has the potential to dramatically increase the number of bright, nearby neutron stars that are known.

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