Line emission in shocks and PDR - Observatoire de Paris

Photo Dissociation Regions
(PDRs)
Ideal laboratories for ISM physical and chemical processes
important targets for ALMA and Herschel
Herschel :
Cooling processes ([CII], [OI], CO, H 2
O) and thermal balance
Chemistry (H 2
O ; C- N- and O- hydrides including CH + )
Complex molecules (C clusters, PAHs, ...)
Dynamics of the hot interface
Dust properties (from SED)
ALMA : Small scale structures in the interface, turbulence, coupling of
gas dynamics and chemistry : time dependent effects
Line and continuum polarisation using radicals
Dusty04 - Paris, October 2004