Computer Science
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cfdd.confe.157m&link_type=abstract
Chandra's First Decade of Discovery, Proceedings of the conference held 22-25 September, 2009 in Boston, MA. Edited by Scott Wo
Computer Science
Compact Objects
Scientific paper
In 2006, Chandra observations of Cygnus X-3 reveled our best view to date of an unique feature associated with this well know microquasar. Extended emission located 16" from Cygnus X-3 was found to be varying in (anti)phase with Cygnus X-3. Also from previous Chandra observations it is shown that the total flux from the feature varies with Cygnus X-3's total flux. If both this feature and Cygnus X-3 lie at the same distance the separation between the two would be 2.4 light years (assume a distance of 9 kpc).From a study of the spectra, flux and time variations of this feature we believe that this feature is a dust cloud that is located along our line of sight to Cygnus X-3. From these observations we are able to deduce the location, size, and properties of this cloud. We will present this analysis and the insights that this give us into the nature of Cygnus X-3 and its environment. We will also present models which will explain why this phenomenon has only been observed, by Chandra, for one X-ray binary. This object represent a discovery that was only possible due to the unprecedented spatial resolution that is only possible with Chandra.
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