4 Running SExtractor

A native, FITS-only, version of SExtractor is also distributed with the EXTRACTOR package for convenience and use in the object detection toolbox in the GAIA application. The executable image is installed in $EXTRACTOR_DIR and is ran as described in the SExtractor User’s Guide(MUD/165).

To use this version either put $EXTRACTOR_DIR on your PATH or define an alias:

then type:

Note that if the -c option is omitted, file default.sex in the current working directory will be used – if you want to use the installed default file, you will need to specify it explicitly.