Dust-scattered X-ray halos observed with Chandra: Results from GX13+1

Details Dust-scattered X-ray halos observed with Chandra: Results from GX13+1 Dust-scattered X-ray halos observed with Chandra: Results from GX13+1

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001tysc.confe..69s&link_type=abstract

Two Years of Science with Chandra, Abstracts from the Symposium held in Washington, DC, 5-7 September, 2001, meeting abstract.

Computer Science

Galactic Diffuse Emission And Surveys

Scientific paper

X-ray halos around point sources have been long predicted, and were first observed by Einstein. They are created by small-angle scattering in dust grains in the ISM, and their properties strongly depend on the composition, size, and position of these dust grains. Prior observations with Einstein and ROSAT allowed at best rough estimates of the dust grain properties to be made. Chandra's exquisite angular resolution measures X-ray halos in far greater detail than ever before. We present the first results from observations of GX13+1, along with comparisons to existing dust grain models.

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