READ TERR 1 2 
READ SERR 4
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	FracExp 	BGrate  	BGerr   	CorrFact	CtsInSrc	BGInSrc 	Exposure	Sigma   	SNR
20522.838	21608.171	-8595.782	9.6248e-03	0.0000e+00	0.0000e+00	0.0672  	2.0000e-04	1.7025e-05	1.7151  	3       	0.4057  	2028.4057	2.5711  	inf