What information is included in the photometry files?
The naming scheme and column names for the photometry files are summarized below, as well as in the headers of the fits files themselves. File names also include the filters of the photometry. For fields with three filters, the *.st.fits and *.gst.fits files are generated for each pair of filters; complete 3 filter photometry can be found in the much larger *.phot files. The headers for the binary fits tables include extensive information on the data used for photometry (name of reference image, filters, camera, etc). *.st.fits: Star files: these files contain the photometry of all objects classified as stars (object type <= 2) with S/N > 4 and data flag < 8. These files will contain more objects than the *.gst.fits files, but will have less clean CMD features. Columns are X, Y, RA, DEC, MAG1_ACS, MAG1_STD, MAG1_ERR, MAG2_ACS, MAG2_STD, MAG2_ERR. Filters are in the file name as well as the header. *.gst.fits: Good Star files: These files contain the stars that pass the ANGST quality cu
