Where do I find the Segmentation, Background, and Aperture images that go with the 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 “aperture images” show the actual apertures used. One can access the Source Extractor (SE) auxiliary fits file 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), 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 shopping 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 then to click on the “Fetch All Marked Items” button to begin the download process. Once the file has been downloaded, you will need to unzip and untar the file per the methods de
Related Questions
- Where do I find the Check Segmentation, Background, and Aperture images created when running SExtractor that coincide with specific SExtractor source lists?
- What do I need to know about photometric zeropoints for the ACS and WFPC2 images and source lists?
- What do I need to know about photometric zeropoints for images and source lists?
