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Studies of Star and Planet Forming Regions with Herschel
The meeting comprised two parts, extending over two weeks from June 4 to
The first week was a joint meeting of two teams doing key programs with the Herschel Space Observatory, the WISH and DIGIT teams. These two programs are quite closely related, with many personnel in common, but with significant differences in samples and observing modes. Both projects used the PACS and HIFI instruments to study the emission from spectral lines of molecules and atoms in the far-infrared region. The structure of talks and working groups proved very productive in sharing ideas ranging from the best data reduction techniques to interpretation of line emission. Generally, the groups discussed either the early phases of star formation, with both disks and infalling envelopes, or the later phases, when only a disk is present.
In the second week, some members of both WISH and DIGIT remained and members of 14 other teams joined them. The other teams were chosen to focus on star and planet formation with Herschel, but they included teams focusing on other samples, other instruments, and other stages in the evolution from interstellar gas to planets. The teams included the Gould Belt team, EPOS, HOBYS, HOP, WADI, CHESS, HOPS, PRISMAS, HEXOS, GASPS, DUNES, and DEBRIS, along with representatives of the brown dwarf and Michigan disks groups. The week began with presentations by representatives of each team, followed by discussions of emerging topics. The relatively unstructured week allowed the formation of numerous working groups that addressed the way forward in many aspects of the subject. Examples of working group topics were the initial conditions for star formation, evolutionary sequences, outflows, complex organic species, chemistry in star forming regions, regions forming massive stars, patterns in disk mineralogy, and disk evolution. We also enjoyed a visit to the Sackler lab and talks by theorists.