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Organizing your CARMA Data Tree

Once you start downloading your data, the question immediately arises where to put these data and how to organize your data. Recall each observation results in a single multi-source MIRIAD dataset containing all your sources and calibrators. We recommend that you place each of these datasets in a separate directory, since your data reduction scripts likely will look very similar and this can result in a more efficient way to organize your reduced files.

    MyProject / Day1 / cx002.foo.1/visdata
                                  flags
                                  ...
               
              / Day2 / cx002.foo.2/visdata
                                  ...
              
              ...

These ``Day'' directories are also a good place to put your observing script and logfile, as it was emailed back to you after the track was finished. With this scheme, after calibration is done in each ``Day'' directory, you might wind up with a script that combines all these data in the following way:

    % invert vis=Day1/n1234c,Day2/n1234c,Day3/n1234c map=n1234.mp beam=n1234.bm
    ...

where each ``Day'' directory is assumed to have its cleaned and calibrated MIRIAD dataset named n1234c.



Peter
2009-10-05