Probing Cygnus X-3's "Little" Friend

Details Probing Cygnus X-3's "Little" Friend Probing Cygnus X-3's "Little" Friend

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21822805m&link_type=abstract

American Astronomical Society, AAS Meeting #218, #228.05; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

Using Chandra's unparalleled spatial resolution a discovery of an unique feature related to Cygnus X-3 has been made. The feature is a region of extended emission located 16" from the microquasar. The feature has been found to exhibit the same 4.8 hour flux modulation shown by Cygnus X-3. From a study of the spectra, flux and time variations of this feature we believe we are observing the scattering of X-ray emission from Cygnus X-3 by a dust cloud located along our line of sight. From these Chandra 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 possibly associated with Cygnus X-3. We will present this analysis and examine some of its ramifications.

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