RXJ1347 meeting on 07/08/2006 in Bonn
-------------------------------------

1. Participants:

  Anja, Julia, Marusa, Patricia, Hendrik, Marco, Thomas, Holger,
  Tim, Aleksi

2. Short talks on the current status:
   
   - Thomas: available data for our studies (WFI, ACS,
     XMM, Chandra, VLT).
     Besids the data we have already at hand the CFHT archive
     contains deep g,r,i,z Megacam data (field-of-view is
     1 square degree around the cluster !) that will be public
     at the 31st of August 2006.
     We need to check Subaru and Chandra archives for
     additional data we do not yet know about.
   
   - Marusa: short summary of her work on the cluster with
     weak and strong lensing. The major problem in her studies
     is the lack of clear strong lensing features. This prevents 
     us from determining an accurate mass model in the cluster 
     core.
    
   - Tim: Weak lensing studies in ACS data
     We need to establish a library of stellar fields for the
     F814W filter for PSF correction purposes
   
   - Julia: short summary of the X-Ray side.
     We need to talk about action items with Sabine

3. Work to be done in the near future:

   The major part of the meeting was concerned on the work
   that needs to be done in the next months in order to prepare
   Marco's spectroscopy run on FORS in March. Its purpose is to 
   secure redshifts for arcs and other strong lens features.
   
   In detail the most important work to be done is the following.
   (The names in parentheses are the responsible people):
   
   - We need a detailed catalogue with optical properties
     from all galaxies around the cluster centre 
     (6arcmin x 6arcmin).
     We should consider all objects up to I(AB)\approx 25.5 
     Necessary information includes:
   
     - Absolute photometry in all available bands
     - photo-z estimates
     - spectroscopic redshift if available
     - information on the cluster memebership of galaxies
     - dropouts from blue passbands
   
     - priority flag for spectroscopy (this needs to be
       decided once the catalogue with the above entries
       was studied and after we have a first strong lens model)
   
     (Hendrik, Thomas, Tim, Marco)
   
   - We need mixed FITS images containing information from
     ACS, VLT and WFI, i.e. one image having the highest resolution
     data at each pixel position. This is required for preparing 
     spectroscopic masks.
   
     (Thomas)
   
   - We need a first strong lens model to identify strong lens
     features and to define priorities for spectroscopic follow-up
   
     (Aleksi, Marusa and students)

4. Work that should start in parallel is:

   - Establish a library of stellar templates for PSF corrections
     in the ACS data
   
     (Patricia, Tim)
   
   - Analyse the weak lens effect in WFI and CFHT data with the help
     of photo-z
   
     (Patricia, Marusa, Thomas, Anja, Hendrik)
   
   - Analyse the Chandra X-Ray data from Allen to check consistency
     with Myriams XMM results; exact procedure needs to be established
     with Sabine
   
     (Julia, Sabine)

5. Other issues:

   Bonn hosts a WWW page where we share data, catalogues and
   our results. For the time being, please send material that
   should be put on this side to me and I will put it online.
   If this turns out to be unfeasible we will install a CVS
   server that allows everybody to modify our repository.

   Each material has to be accompanied with a README file
   explaining its contents!!