Understanding the Extended Emission in Cygnus X-3

Details Understanding the Extended Emission in Cygnus X-3 Understanding the Extended Emission in Cygnus X-3

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1180h&link_type=abstract

Chandra Proposal ID #04400563

Computer Science

Chandra Proposal Id #04400563

Scientific paper

We propose to observe the microquasar Cyg X-3 during a low X-ray state in order to study extended, jet-like emission which we have discovered in archival ACIS-S/HETG observations. Cyg X-3 is a binary system with a neutron star or black hole primary and a Wolf-Rayet companion. By using the ACIS-S without gratings, we will obtain a CCD spectrum of the extension. In order to understand the nature of the extension, we will measure the continuum shape and search for reflected emission lines from the intense Wolf-Rayet stellar wind. A second observation with the HRC-I will provide the highest angular resolution possible with Chandra, allowing us to study the extension close to the compact object (where the ACIS image will be severely piled up) where matter may be ejected from the system.

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