The Birth and Death of Extrasolar Planets

Main list: Physics and Astronomy Colloquia

Abstract

Zoe Leinhardt
University of Bristol

Extrasolar planets are a diverse population along all dimensions from individual physical characteristics such as mass and mean density to the dynamical characteristics of the planetary system such as semi-major axis and number of planets. The ease with which extrasolar planets seem to form has resulted in discoveries of planets around unlikely host stars such as tight binaries and evolved post main sequence remnant stellar cores. In order to understand the diversity of the extrasolar planet population we need to understand planet formation in detail. However, most of the process is difficult to observe directly. In this talk I will review numerical results of planetary evolution and also highlight a few particularly interesting observations of potentially extreme events from violent collisions to the death of a solar system that may help tie our theoretical evolution models to reality.

 

  • Venue

    Physics lecture theatre C

  • Date

    February 14, 2020

  • Time

    From: 10h00 To: 11h00

  • Sponsor

    University of St Andrews
    The oldest university in Scotland, with international renown for both research and education of undergraduates and postgraduates.

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