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SUMMARY:Michael Meyer (UMich): They Might be Giants: Planetary Mass Objec
 ts as Companions and in Isolation
DTSTART:20261008T120000Z
DTEND:20261008T130000Z
DTSTAMP:20261009T225900Z
UID:indico-event-2202@indico.uu.se
DESCRIPTION:Title: They Might be Giants: Planetary Mass Objects as Compan
 ions and in Isolation Speaker: Michael MeyerAffiliation: University of 
 Michigan Room: Å90102 Time: 14:00-15:00Abstract:We will present a new
  demographic model for very low mass sub-stellar companions that interpre
 ts available data as a combination of a planetary population\, as well as 
 brown dwarf companion population.We investigate whether the brown dwarf c
 ompanion population is consistent with extrapolation of known multiple sta
 r properties into the brown dwarf regime. Combining these distributions as
  a function of host star mass provides insight into both star and planet f
 ormation processes.We find that the planet mass function does not depend o
 n orbital separation and that the orbital distribution of planets depends 
 weakly on host star mass (as expected from ice-line considerations).Finall
 y\, we compare our results to new probes of the sub-stellar IMF with JWST\
 , finding evidence for an opacity limit to the fragmentation process relev
 ant to forming brown dwarfs in isolation as well as companions to stars. 
  \n\nhttps://indico.uu.se/event/2202/
LOCATION:Å90102
URL:https://indico.uu.se/event/2202/
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