Poster Open Access

Atmospheric Circulation of Brown Dwarfs and Directly Imaged Extrasolar Giant Planets Driven by Cloud Radiative Feedback

Xianyu Tan


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  <dc:creator>Xianyu Tan</dc:creator>
  <dc:date>2021-02-25</dc:date>
  <dc:description>Observations of brown dwarfs (BDs), free-floating planetary-mass objects, and directly imaged extrasolar giant planets (EGPs) exhibit rich evidence of large-scale weather. Understanding the mechanisms driving the atmospheric circulation of BDs and directly imaged EGPs is crucial to interpret the observed lightcurve variability. We proposed a thermally-driven mechanism linked to cloud radiative feedback. In this poster, we introduce the principle of this mechanism and highlight the properties of the resulting circulation patterns. I will show that this mechanism can generate vigorous atmospheric flows, including turbulence, vortices, waves, and zonal jets under certain circumstances. Implications for observations will also be discussed.
 </dc:description>
  <dc:identifier>https://zenodo.org/record/4562227</dc:identifier>
  <dc:identifier>10.5281/zenodo.4562227</dc:identifier>
  <dc:identifier>oai:zenodo.org:4562227</dc:identifier>
  <dc:relation>doi:10.5281/zenodo.4562226</dc:relation>
  <dc:relation>url:https://zenodo.org/communities/coolstars20half</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
  <dc:source>Monthly Notices of the Royal Astronomical Society 502(1 and 2) 678-699 and 2198-2219</dc:source>
  <dc:subject>brown dwarfs, giant planets, clouds, global circulation</dc:subject>
  <dc:title>Atmospheric Circulation of Brown Dwarfs and Directly Imaged Extrasolar Giant Planets Driven by Cloud Radiative Feedback</dc:title>
  <dc:type>info:eu-repo/semantics/conferencePoster</dc:type>
  <dc:type>poster</dc:type>
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