New MeerKAT images resolve the jet-ISM interaction lobes of GRS 1758-258 and yield estimates of ISM density, jet age, proper motion, and transferred jet power.
GRS 1758-258: the first winged microquasar
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abstract
The family links between radio galaxies and microquasars have been strongly strengthened thanks to a new common phenomenon: the presence of extended winged features. The first detection of such structures in a Galactic microquasar, recently reported in Nature Communications (http://rdcu.be/zgX8), widens the already known analogy between both kinds of outflow sources (Mart\'i et al. 2017). This observational result also has potential implications affecting the black hole merger scenarios that contribute to the gravitational wave background.
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A MeerKAT view of the parsec-scale jets in the black-hole X-ray binary GRS 1758-258
New MeerKAT images resolve the jet-ISM interaction lobes of GRS 1758-258 and yield estimates of ISM density, jet age, proper motion, and transferred jet power.