etimeget filestem=mystar srcexp="((X,Y) IN circle(25572,-24635,1200))"
backexp="((X,Y) IN circle(23000,-28000,1340))"
table=P0129360201PNS020PIEVLI0000.FIT timemin=1000 timemax=5000
Will extract a source and background light curve from 1000 to 5000 seconds after the observation start. These parameters may also be defined in mjd, jd, "CAL" (e.g. Thu Jan 1 00:15:36.816 1998 ) or "FITS" (e.g. 1998-01-01T00:15:36.816 ) format.