Astrochemistry
General Information
| Dozent | Prof. Dr. S. Schlemmer und Prof. Dr. P. Schilke (schlemmer[at]ph1[dot]uni-koeln[dot]de, schilke[at]ph1[dot]uni-koeln[dot]de) Tel.:(470)-7880 bzw. 1935 |
| Zeitraum | Begin: Wednesday, April 4, 2012 |
| Lectures | 2 hours Wednesday. 14.00 — 15.30 Seminarraum des I. Physikalischen Instituts |
| Exercises | 1 hour Friday 12-12:45 Seminarraum des Instituts für Kernphysik, in the form of a literature seminar |
| Skripte | Lecture Notes are available as .pdf files (pwd necessary) |
Content
Relation between astrophysical observations, elementary physical and chemical processes and modelling
Lecture planned for: Students past Vordiplom, Master-Students with major or minor in molecular physics or astrophysics. Also for astrophysically interested Students in general.
Preliminary Plan
| Day | Date | Lecturer | Topic | Reading Problem |
|---|---|---|---|---|
| We | 4.04. | Thorwirth | Introduction: Astrophysical Observations, Characteristica of astrophysical Environments, Relevance of molecules and dust. | |
| We | 11.04 | Schlemmer | The physical state of the interstellar medium (ISM), Nucleosynthesis of the elements and their depletion, Interstellar extinction curve |
Water in Space |
| We | 18.04. | Schlemmer | Dust Formation, interstellar extinction: scattering and absorption of dust |
|
| We | 25.04. | Schilke | Emission, absorption and Radiative transfer, The know abouts on dust in space |
|
| We | 02.05. | Schlemmer | Dust composition and spectral features H2 formation on grains, (simple rate equations: the concept) |
|
| We | 09.05. | Schlemmer | H2 formation on grains, (laboratory methods) gas phase H2 formation routes |
Hydrogen Formation |
| We | 16.05. | Schlemmer | Formation of larger molecules (methanol): Observational facts, Laboratory work and modelling | |
| We | 23.05. | Schlemmer | Gas Phase Processes: H3+ a 100 year old example The simplest chemistry: Formation, Destruction and Equilibrium, Densities: H2, electrons & cosmic rays |
|
| We | 30.05. | Pentecost | ||
| We | 06.06. | Schlemmer | Gas Phase Processes: Gas Phase Reactions, Rate Coefficient, Reaction Path and Energetics,Chemical Networks | |
| We | 13.06. | Schlemmer | Laboratory experiments to determine rate coefficients (example radiative association), concept of cature theory (Langevin model) | |
| We | 20.06. | Schilke | Astrophysical environments: gas phase chemistry in dark clouds | |
| We | 27.06. | Schilke | Astrophysical environments: gas phase chemistry, early universe, photon dominated chemistry in diffuse clouds | |
| We | 04.07. | Schilke | Astrophysical environments: PDRs, XDRs, and high energy chemistry in shocks | |
| We | 11.07. | Schilke | Astrophysical environments: TDRs, grain surface chemistry in star forming regions |
Literature
- Astrochemistry: From Astronomy to Astrobiology, Andrew M. Shaw, Wiley 2006
- The physics and chemistry of the interstellar medium: X. Tielens, Cambridge, 2005
- Dust in the galactic environment, D.C.B: Whittet, Institute of Physics, 2003
- The Physics of the interstellar Medium, 2nd ed., Dyson and Williams, Institute of Physics, 1997
- The Interstellar Medium, J. Lequeux, A&A Library, Springer, 2004
- Physics and Chemistry of the Interstellar Medium, Sun Kwok, Palgrave Macmillan, 2006
- Physics of the Interstellar and Intergalactic Medium, Bruce Draine, Univerty Press group, 2010