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astro-ph2004
Study the X-ray Dust Scattering Halos with Chandra Observations of Cygnus X-3 and Cygnus X-1
Jingen Xiang, Shuang Nan Zhang, Yangsen Yao
We improve the method proposed by Yao \emph{et al} (2003) to resolve the X-ray dust scattering halos of point sources. Using this method we re-analyze the Cygnus X-1 data observed…
astro-ph2003
A New Method to Use Chandra Data to Resolve the X-Ray Halos Around Point Sources and Its Application to Cygnus X-1
Y. Yao, S. Nan Zhang, X. L. Zhang +1
With excellent angular resolution, good energy resolution and broad energy band, the Chandra ACIS is the best instrument for studying the X-ray halos around some galactic X-ray poi…