READ SErr 1 READ TErr 2 LABEL f LOG y OFF LOG x ON SCREEN white SCREEN 1 0 0 0 MARKER 0 ON LABEL TOP Swift/UVOT GRB DISCOVERED ELSEWHERE Target ID 20503 TIME off LWidth 4.0 CSize 1.0 SKIP Single PLOT Vertical ! filter U LABEL oy1 U mag 22518.0804505944 6362.16567063332 24.1220111773635 7.87798882263651 0 No No No No No r y1 26.8 22.8 r x 10000 100000 LABEL x Time since 451902268.49 MET hard /gif exit