{"585315":{"#nid":"585315","#data":{"type":"event","title":"Unveiling the Origin of Planetary Systems by Dynamical and Statistical Approaches","body":[{"value":"\u003Ch3\u003E\u003Cstrong\u003ESchool of Physics Seminar: Gongjie Li, Harvard University\u003C\/strong\u003E\u003C\/h3\u003E\r\n\r\n\u003Cp\u003EThe unexpected diversity of observed extrasolar planetary systems has posed new challenges to our classical understanding of planetary formation. A lot of these challenges can be addressed by a deeper understanding of the dynamics in planetary systems, which will also allow us to construct more accurate planetary formation theories consistent with observations.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EIn this talk, I will first explain the origin of counter orbiting planets using a new dynamical mechanism I discovered, which also has wide implications in other astrophysical systems, such as the enhancement of tidal disruption rates near supermassive black hole binaries. Then, I will illustrate another dynamical mechanism which can produce the detected spin-orbit misalignment for system Kepler-56. In addition, I will uncover the architectural properties of circumbinary planetary systems from selection biases using statistical methods, and infer the origin of such systems.\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Unveiling the Origin of Planetary Systems by Dynamical and Statistical Approaches"}],"uid":"27664","created_gmt":"2016-12-21 18:14:44","changed_gmt":"2017-04-13 21:13:34","author":"Alison Morain","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2017-01-19T15:00:00-05:00","event_time_end":"2017-01-19T16:00:00-05:00","event_time_end_last":"2017-01-19T16:00:00-05:00","gmt_time_start":"2017-01-19 20:00:00","gmt_time_end":"2017-01-19 21:00:00","gmt_time_end_last":"2017-01-19 21:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"126011","name":"School of Physics"}],"categories":[],"keywords":[{"id":"166937","name":"School of Physics"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"78751","name":"Undergraduate students"},{"id":"174045","name":"Graduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003Eamorain@gatech.edu\u003C\/p\u003E\r\n","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}