A default version of riras.par should be set up on the system before riras is used. The first time the program is used in a directory, riras.par will be read from a directory specified by the environment variable DEFAULT_DIR, /home/mink/Defaults, or whatever the default directory in star has been changed to by newdef. When the program is run, parameters set on the command line override those values in the local copy of riras.par, which is updated to the new values. Only those parameters which are changed need to be entered on the command line.

riras.par has the following parameter settings:


Output for each source found is of the format:

	source RA Dec magnitude
where the position format is controlled by a number of parameters.