Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.4203h&link_type=abstract
American Astronomical Society, HEAD meeting #12, #42.03
Astronomy and Astrophysics
Astronomy
Scientific paper
The X-ray binary Circinus X-1 is a trailblazer in many ways: (a) It is one of only two neutron star X-ray binaries with a resolved radio jet, making it a prototype and defining member of the class of neutron star microquasars. (b) It is one of only two microquasars with well established large scale, diffuse radio lobes. (c) Its jet has been clocked at a Lorentz factor of Gamma=16, potentially making it the fastest microquasar to date. (d) Finally, Circinus X-1 has become the first and only neutron star XRB with a resolved X-ray jet: Recent Chandra and radio observations show the source in glorious detail, revealing parsec scale shocks and arcsecon scale extended X-ray emission. I will discuss the constraints we can put on the jet power from this neutron star and their implications for our understanding of relativistic jets from compact objects as a whole.
Brandt Niel
Calvelo Dan
Heinz Sebastian
Jonker Peter
Schulz Norbert
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