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17th of May 2019
The supernova remnant surrounding Circinus X-1
(by Coriat et al.)
Coriat et al. present the results of 2.1, 5.5, 9.0, 33 and 35 GHz observations of the neutron star X-ray binary Circinus X-1, using the Australia Telescope Compact Array. Advanced calibration and de-convolution algorithms were used to overcome multiple issues due to intrinsic variability of the source and direction-dependent effects. The resulting centimetre and millimetre radio images show spatially resolved jet structures from sub-arcsecond to arcminute angular scales. The image above shows the large-scale ATCA radio images of Cir X-1 at 2.1 GHz, showing the supernova remnant surrounding Cir X-1. Full details are given in the paper published in Monthly Notices of the Royal Astronomical Society.

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