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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20140520T123000
DTEND;TZID=Atlantic/Canary:20140520T133000
UID:iactalks-635
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/635
CREATED:2014-05-20T12:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Nanocosmos : An experimental and observational approach to the stud
 y of dust formation in evolved stars
DESCRIPTION:Nanocosmos : An experimental and observational approach to the 
 study of dust formation in evolved stars\nProf. Jose Cernicharo\n\nEvolved
  stars are factories of cosmic dust. This dust is made of tiny  grains tha
 t are injected into the interstellar medium and plays a key role in  the e
 volution of astronomical objects from galaxies to the embryos of planets. 
 However,  the processes involved in dust formation and evolution are still
  a  mystery. The increased angular resolution of the new generation of  te
 lescopes will provide for the first time a detailed view of the  condition
 s in the dust formation zone of evolved stars, as shown by our  first obse
 rvations with ALMA. The aim of the NANOCOSMOS project is to  take advantag
 e of these new observational capabilities to change our  view on the origi
 n and evolution of dust. We will combine astronomical  observations, model
 ling, and top-level experiments to produce stardust  analogues in the labo
 ratory and identify the key species and steps that  govern the formation o
 f these nanoparticles. We will build two  innovative setups: the Stardust 
 chamber to simulate dust formation in  the atmosphere of evolved stars, an
 d the gas evolution chamber to  identify novel molecules in the dust forma
 tion zone. We will also  improve existing laboratory setups and combine di
 fferent techniques to  achieve original studies on individual nanoparticle
 s, their processing  to produce complex polycyclic aromatic hydrocarbons, 
 the chemical  evolution of their precursors and their reactivity with abun
 dant  astronomical molecules. Our simulation chambers will be equipped wit
 h  state-of-the-art in situ and ex situ diagnostics. Our astrophysical  mo
 dels, improved by the interplay between observations and laboratory  studi
 es, will provide powerful tools for the analysis of the wealth of  data pr
 ovided by the new generation of telescopes.\nThe synergy in NANOCOSMOS bet
 ween astronomers, vacuum and microwave engineers, molecular and plasma phy
 sicists, surface scientists, including both experimentalists and theoretic
 ians is the key to provide a cutting-edge view of cosmic dust.
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