READ TERR 1 2 
READ SERR 4
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	FracExp 	BGrate  	BGerr   	CorrFact	CtsInSrc	BGInSrc 	Exposure	Sigma   	SNR
4238.649	1253.668	-498.934	8.329841e-03	3.529575e-03	-2.779911e-03	1.000000	2.406545e-04	2.469063e-05	1.926485	8       	0.421772	1752.602700	175.126536	2.996441