READ TERR 1
READ SERR 2 4
!COLS: time	tposerr		tnegerr		rate		err		fracexp		bgrate		bgerr		corr_fact	Cts_in_src	bg_in_src	exposure	sigma
50451.816596	1321.964004	-1233.792032	0.007881	0.002032	0.965579	0.000195	0.000036	1.253278	16.000000	0.481585	2467.784240	181.973176
59495.708404	3815.780287	-4485.787801	0.004284	0.001097	0.593464	0.000180	0.000020	1.309882	17.000000	0.888513	4926.679617	171.131494
472008.281296	46031.882165	-40183.148153	0.000738	0.000000	0.275715	0.000100	0.000005	1.395639	5.000000	2.368727	23770.795084	21.193446
! Final point is an upper limit