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SUMMARY:Star-Forming Clumps and Clustered Starbursts across Cosmic Time
DTSTART:20221004T070000Z
DTEND:20221028T153000Z
DTSTAMP:20260716T234000Z
UID:indico-event-7115@indico.ph.tum.de
CONTACT:workshop@munich-iapp.de\;+49 89 35831 7200
DESCRIPTION:This program addresses the questions of how starbursting compl
 exes\, gaseous high-redshift clumps\, giant molecular clouds\, and young m
 assive star clusters are formed\, what are their physical properties\, and
  what is their impact on galaxy evolution. Current observations and simula
 tions allow us to directly compare how star formation proceeds at low and 
 high redshift\, down to the small spatial scales of star clusters. They ha
 ve shown that local galaxies have modest star formation rates and form the
  bulk of their stars in giant molecular clouds\, producing star complexes 
 in a self-similar hierarchy from individual stars to young massive star cl
 usters. In comparison\, galaxies in the early Universe have high star form
 ation rates and host large star-forming regions\, dubbed "clumps"\, 10 –
  1000 times larger\, brighter\, and more massive than local giant molecula
 r clouds\, although recent studies suggest that giant clumps may be formed
  of sub-clumps. An additional piece of the puzzle is represented by globul
 ar clusters that show a wide diversity of metallicities which calls for a 
 range of different origins and perhaps even a range of different formation
  mechanisms. Connecting the origins and physical properties of local giant
  molecular clouds\, young massive star clusters\, high-redshift clumps\, a
 nd globular clusters is paramount to make a step forward in our understand
 ing of clustered star formation in the context of galaxy evolution.\nDurin
 g the program the mornings will be devoted to reviews and contributed talk
 s aimed at bridging these different topics. In the afternoons instead ther
 e will be some break-out group sessions focussed on specific open question
 s aimed at sparking the discussion among researchers with different backgr
 ounds and foster collaborations possibly leading to new ideas for observin
 g and/or computing time projects.\n\n \n\nThe main topics covered during 
 the program will be the following:\n\n• First week: The impact of galaxy
  interactions and secular evolution on the formation of star clusters and 
 clumps.\nHow do giant molecular clouds and young massive clusters form\, a
 nd can we learn from them\, extrapolating to high-redshift clumps? What do
 es the bulge/black hole/globular cluster correlation tell us about secular
  versus interaction-driven bulge formation? How can we measure the interac
 tion rate at high redshift? What are the main simulations' ingredients det
 ermining the formation scenarios of clumps and globular clusters?\n\n• S
 econd week: Connecting low- and high-redshift clustered star formation.\nW
 hen and why clumps become less common giving way to giant molecular clouds
 ? Does this epoch coincide with the shut off of the globular clusters' for
 mation and are these processes linked? Can we find the 'analogs' of clumps
  in local galaxies\, are they related to giant star forming regions of dwa
 rf galaxies or is the hierarchical structure of stars in spirals an analog
 /vestige to the clumps? How can simulations consistently study  giant mol
 ecular clouds\, young star clusters\, globular clusters and clumps despite
  the large range of needed physical scales?\n\n• Third week: The impact 
 of clustered star formation on the evolution of the host galaxy.\nWhat are
  the processes determining clusters survival and what is the relevance of 
 these mechanisms to the lifetime of giant molecular clouds? What is the ev
 idence that individual clumps migrate to a galaxy center to contribute to 
 the bulge? Can the observations of clumps\, such as gas outflows\, tell us
  something about the quenching of star formation in galaxies? How to compa
 re the different feedback recipes in simulations driving to contradictory 
 predictions about star cluster survival and what observables could we use 
 to constrain them?\n\n• Fourth week: Linking clumps and globular cluster
 s.\nCould globular cluster seeds be formed in high-redshift clumps? What i
 s the evidence from local galaxies for the initial masses of globular clus
 ters in their two populations (blue and red) and their internal multiple p
 opulations (Na/O high and low)? What would be the ideal survey to 'map' gl
 obular cluster formation in the early Universe?\n\nhttps://indico.ph.tum.d
 e/event/7115/
LOCATION:MIAPbP
URL:https://indico.ph.tum.de/event/7115/
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