Lorentz Center - Benchmarking of PDR models from 5 Apr 2004 through 8 Apr 2004
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    Benchmarking of PDR models
    from 5 Apr 2004 through 8 Apr 2004

 
Monday April 5

Monday April 5

 

9:30 -10:00          Registration, assignment of offices

 

10:00 -10:40        Overview talk theory: Kaufman

 

10:40 -11:20        Overview talk observations: Gerin

 

11:20 -11:40        Coffee

 

11:40 -12:40        Overview of all model results: Roellig

 

12:40 -14:00        Lunch, free discussions

 

14:00 -15:15        Plenary discussion on model results; identification of (additional)

                            special topics and goals for the week (Roellig, Viti)

 

15:15 -15:30        Tea

 

15:30 -16:15        Special session 1: Geometry (Stutzki)

                            - uni-directional vs isotropic illumination

                            - plane-parallel vs spherical line emission

 

16:15 -17:00        Free discussions; checks of model results

 

17:00 -18:00        Wine & cheese reception Lorentz Center

 

 

Tuesday April 6

 

9:00 -11:00          Special session 2: Reactions+rate coefficients (Viti, Roueff,

                            Le Bourlot)

                            - identification of crucial rates

                            - H3+ dissociative recombination

                            - PAH chemistry

                            - choice of elemental abundances

 

11:00 -14:00        Coffee, free discussions, lunch

 

14:00 -15:00        Special session 3: UV transfer and shielding (Sternberg, Spaans)

                            - one-line vs full treatment H2, CO

                            - photorates at edge and depth dependence

                            - clumpy vs homogeneous

                            - effect of diffuse H2 emission

 

15:00 -16:00        Free discussions

 

16:00 -17:00        Inaugural speech Thijs de Graauw, Academy building, Leiden,

                            followed by reception. Everyone is welcome!

 

Wednesday April 7

 

9:30 -11:00          Special session 4: H2 formation (Black, Tielens?)

                            - H2 formation rate

 

11:00 -14:00        Coffee, free discussions, lunch

 

14:00 -16:00        Special session 5: Heating + cooling balance (Wolfire)

                            - heating rates: do we agree on formulations?

                                          importance grain size distribution

                                          full H2 treatment vs single line

                            - cooling rates: collisional rate coefficients

                                          radiative transfer treatment: LVG vs Monte Carlo

                            - computed temperature structures: origin of differences and

                                          consequences for emitted lines

 

16:00 -17:00             Free discussions

 

 

Thursday April 8

 

 9:30 -11:00         Special session 6: Theory meets observations (TBD)

                            - what do observers want from theory? (Allen, Bensch)

                            - crucial observational tests of models (all)

                            - future observational prospects and preparatory work (e.g. HIFI)

 

11:00 -13:30        Coffee, free discussions, lunch

 

13:30 -15:30        Summary session (all)

                            - summaries and conclusions of special sessions

                            - further model tests

                            - recommendations for atomic & molecular data

                            - output of workshop: PDR webpage/web portal

                                          joint report with guidelines?

                                          joint publications?

 

15:30                   Adjourn

 



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