READ TERR 1 2 
READ SERR 4
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	FracExp 	BGrate  	BGerr   	CorrFact	CtsInSrc	BGInSrc 	Exposure	Sigma   	SNR
15420.500	25119.741	-15347.351	1.587250e-03	4.408884e-04	-4.408884e-04	0.323488	1.220433e-04	4.978250e-06	1.442683	16      	1.597622	13090.613300	221.002679	3.600117