Speaker
Daniel Price
Description
What is the origin of the large horseshoe, cavity, spiral arms. fast radial flows, warps and shadows in HD142527? I will present results of our recent attempts to model this mysterious disc, formerly regarded as a transitional disc. I will show that the interaction with the observed highly eccentric and inclined binary companion can explain most of the `weird’ phenomena in this disc, suggesting it should be firmly reclassified as circumbinary. How such inclined and eccentric companions arise in nature opens many questions.
