Where do I find the Check Segmentation, Background, and Aperture images created when running SExtractor that coincide with specific SExtractor source lists?
It is important to realize that the “apertures” used by SExtractor are not the circles shown by the overlay in the Interactive Display, but are ellipses of different sizes, shapes, and orientations. The “check aperture images” created by SExtractor show the actual apertures used. One can access these SExtractor auxiliary check fits files from the “Images” view in the HLA web interface. By clicking on the “More…” link (located in the lower right corner of each image box). Upon clicking on the “More…” link, a separate web page will be opened. In the new web page you will find, and can click on the “Show all associated files” link, which will lead you to a link for the “se_check_files.tar.gz” file. Clicking on this link will add the file to your cart. It is then necessary to go back to the original web page, click on the “Cart” tab near the top of the page, and click on the “Retrieve HLA Data” button to begin the download process. Once the file has been downloaded, you will need to unzi
