I have visually inspected the cosmos field to try to find examples of these different cases. I tried to get a mix of something of everything. Since only a few patches were run with psf-matching in
DM-9035, I reran the whole cosmos field. To reduce the amount of blurring, I chose to follow the same settings as the goodSeeing version in DM-9035. The y-band has some funny features so I choose to only run griz data. Here are the visits that I used
There are some other features in this processing:
- The galaxies with substructure have been smoothed by the psf-matching, so we will need to see how well the deblender performs on different data. I have still left the galaxies in this sample to give some more variety.
- Due to the psf-matching, when we merge catalogs from different bands the size of a footprint can extend to the size of the whole image. Because of this I have just extracted a fixed postage stamp around each object. So this may include objects outside of the blend.
- The data images and catalogs can be found on tiger at Princeton in /tigress/rea3/cosmos_examples.
Here are thumbnails of the chosen images.
Peter Melchior,Fred Moolekamp please take a look at these and see if there other types of objects we should include in the test sample.