Monitoring the Morphology of the Micro-Quasars GRS 1758-258 and 1e 1740.7-2942

Details Monitoring the Morphology of the Micro-Quasars GRS 1758-258 and 1e 1740.7-2942 Monitoring the Morphology of the Micro-Quasars GRS 1758-258 and 1e 1740.7-2942

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..814h&link_type=abstract

Chandra Proposal ID #03400636

Physics

Chandra Proposal Id #03400636

Scientific paper

We propose to monitor the "micro-quasars" GRS 1758-258 and 1E 1740.7-2942 in order to search for changes in the morphology of their arcsecond scale extended X-ray emission. In GRS 1758-258, this extended structure changed shape (as seen by the Chandra/HRC-I) in about a month, indicating a possible near-luminal outflow. In this investigation, we will use the HRC-I in concert with our approved RXTE/Proportional Counter Array and VLA monitoring programs to track changes in the extended X-ray morphology of GRS 1758-258 and see if similar changes occur in 1E 1740.7-2942. We will correlate these variations with the radio flux and hard X-ray (3-60 keV) spectral behavior which will allow us to study the role of the disk/corona with the ejection of material from the binary system.

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