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SUMMARY:Investigating the radial structure of exoKuiper belts - Sebastian 
 Marino\, IoA
DTSTART:20211012T120000Z
DTEND:20211012T130000Z
UID:TALK163384@talks.cam.ac.uk
CONTACT:Dr Mathias Nowak
DESCRIPTION: Planetary systems are not only composed of planets but also o
 f minor bodies similar to asteroids and comets\, which we typically find i
 n belts analogous to the Asteroid and Kuiper belt in the Solar System. Alt
 hough we cannot detect these bodies individually\, mutual collisions betwe
 en these km-sized planetesimals produce high dust levels that are readily 
 detectable in exoKuiper belts around 30% of nearby stars. These planetesim
 als form as a byproduct of planet formation and their distribution and dyn
 amics is shaped by the presence of planets in a similar way as the Asteroi
 d and the Kuiper belts were shaped by Jupiter and Neptune. Therefore\, the
 se belts provide unique and complementary constraints on the formation\, a
 rchitecture\, and dynamics of planetary systems. In this seminar\, I will 
 give an overview of the study of Kuiper belt analogues (exoKuiper belts) a
 nd will dive into the study of their radial structure using ALMA observati
 ons. I will show how we can use the radial structure to infer the presence
  of planets\, constrain the level of dynamical stirring in these belts\, a
 nd assess how these belts are formed. These studies are opening a window i
 nto the outer regions of planetary systems that are complementary to exopl
 anet surveys and planet formation studies.
LOCATION:Ryle seminar room + ONLINE - Details to be sent by email
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