Identifying the Nearest and Brightest Neutron Stars

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

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2611f&link_type=abstract

Chandra proposal ID #10500874

Physics

Scientific paper

Using catalog cross-correlation and over 400 ksec of Swift X-ray and UV observations, we have identified 19 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 Chandra observations of 16 remaining candidates to collect sub-arcsec positions and modest-quality X-ray spectra. Sub-arcsec X-ray positions are vital to confirm these objects as neutron stars by demonstrating the absence of optical counterparts to faint magnitudes (V > 25 mag). Chandra X-ray spectra will simultaneously yield blackbody temperatures and radii. This single program has the potential to dramatically increase the number of bright, nearby neutron stars that are known.

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