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Cygnus-XI HMXRB

Illustration of Cygnus-X1, a stellar-mass black hole pulling apart its binary companion, a high-mass blue star. Material from stellar winds forms a disk that rotates around the black hole before falling into it or being redirected away from the black hole in the form of powerful jets.

Credit: NASA/CXC/M.Weiss

Katherine Savard

Grad Student

Sub department

  • Astrophysics
katherine.savard@physics.ox.ac.uk
  • About

I'm a PhD student here at the University of Oxford studying under the supervision of Rob Fender, Ian Heywood and James Matthews.

I am interested in the extremes of our universe, particularly black holes and their surrounding environments. Currently, I am researching discrete ejecta from jet outflows from X-ray binaries both through numerical simulations and radio observations with the MeerKAT telescope. I run relativistic hydrodynamic simulations of 'blobs' of material launched from close to the black hole which propagate through space very close to the speed of light. Through this, I am working to understand the nature and energy budget of jets from X-ray binaries, as well as some of the physics involved when these relativistic blobs disrupt in the interstellar medium. 

I am also developing methods to convert results from these simulations into predicted images from radio telescopes, in order to bridge the gap between simulations and observations. 

Research interests

Black Holes
X-ray Binaries
Relativistic jets
Radio Astronomy
Cosmic Rays
Particle Acceleration

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