Physics
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop...83p&link_type=abstract
XMM-Newton Proposal ID #06032502
Physics
Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Rxp1027, Rxh1011
Scientific paper
We propose XMM-Newton observations of two new X-ray faint candidates of isolated neutron star with thermal X-ray emission. EPIC data is needed to test X-ray variability and will yield constraints on the spectral properties of the candidates. Furthermore, the proposed observations will improve the positional accuracy, necessary for follow-up optical observations. All the recent surveys concentrated only on the brightest ROSAT sources. The distribution models of these neutron stars within our galaxy suffer from missing faint sources. Including deep ROSAT pointed observations we propose candidates one to two orders of magnitudes weaker than the faintest known X-ray thermal isolated neutron star. As optical reference we use the Sloan survey, the deepest large-area optical survey currently available.
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