Probing the Environment of Cygnus X-3

Details Probing the Environment of Cygnus X-3 Probing the Environment of Cygnus X-3

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.4305m&link_type=abstract

American Astronomical Society, HEAD meeting #11, #43.05; Bulletin of the American Astronomical Society, Vol. 41, p.732

Astronomy and Astrophysics

Astronomy

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. If both this feature and Cygnus X-3 lie at the same distance the separation between the two would be 2.4 light years (assuming 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 also find that this cloud appears to be part of a larger structure associated with Cygnus X-3. We will present this analysis and the insights that this give us into the nature of Cygnus X-3 and its environment.

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