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ISM2: Cosmic carbon

Session Organisers:

Mikako Matsuura (UCL, London, UK), Thomas Henning (MPIA, Heidelberg, Germany), Eric Lagadec (ESO), Nigel J. Mason (Open University, UK), Tom Millar (University of Belfast, UK), Albert Zijlstra (University of Manchester, UK), Nigel Mason (Open University)


Carbon plays an important ingredient in the formation of cosmic dust and molecules, as well as itself plays a role in the energy balance of gas. The life cycle of carbon starts with atomic synthesis in stellar interiors. During the late stages of stellar evolution, carbon is ejected from stars into the interstellar medium. Many forms of carbonaceous molecules, such as acetylene, fullerenes, and polycyclic aromatic hydrocarbons (PAHs), and carbonaceous dust grains have been found in evolved stars. Carbon has also been found in the form of molecules and carbonaceous dust in molecular clouds, star-forming regions and in the form of atoms in the interstellar media of nearby galaxies.

Despite carbon being found so commonly in space, the chemistry to form carbonaceous molecules and dust is largely unknown. The goal of this session is to discuss the last finding made by recent space and ground-based telescopes. The interpretation of these new results requires advances in laboratory techniques and modeling studies. We also discuss prospects of studying carbon chemistry with the ALMA.


This is a complete listing of all 17 entries

Poster Session A
Nonlinear surface chemistry analysed with XUV pump - XUV probe at FLASH  Björn Siemer
Thermal desorption spectroscopy of small molecules on interstellar interesting surfaces  Björn Siemer
Desorption of O2, CO and N2 from Astronomically Relevant Surfaces  Dr Jerome Lasne
CARMA observations of methanol in NGC2264  Jane Buckle
Small TiC molecular clusters as precursors of dust grains in extended atmospheres of AGB stars  A. Beate C. Patzer

Wednesday 28th 11:45-13:15
11:45 Fullerenes in circumstellar and interstellar environments  Jan Cami
12:05 Detection of C60 in embedded young stellar objects, a Herbig Ae/Be star and an unusual post-AGB star  Professor Peter Sarre
12:15 Astrochemistry of Acetonitrile Ices  ALI ABDULGALIL
12:25 Experimental studies on condensation and properties of carbonaceous matter  Cornelia Jäger
12:45 The chemistry of extragalactic carbon stars  Paul M. Woods
12:55 Evolved carbon stars in the Magellanic Clouds: photometric versus spectroscopic IR identification  Paul Ruffle
13:05 Benzene in a mixed-chemistry object  Kyle Roberts

Wednesday 28th 17:00-18:00
17:00 Laboratory Investigations of Carbonaceous Molecules  Sandra Brünken
17:20 Complex Organic Molecules in Protoplanetary Disks  Catherine Walsh
17:30 Formation of polycyclic aromatic hydrocarbon (PAH) molecules on crystalline silicate grain surfaces  Mark Hammonds
17:40 The formation of highly superhydrogenated PAHs and their catalytic role in H2 formation  John Thrower
17:50 The electronic absorption properties of PAHs in view of the observed interstellar UV-vis extinction  Mathias Steglich