READ TERR 1 2 
READ SERR 4
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	FracExp 	BGrate  	BGerr   	CorrFact	CtsInSrc	BGInSrc 	Exposure	Sigma   	SNR
309323.119	628.250 	-1222.137	1.740802e-02	3.936046e-03	-3.936046e-03	1.000000	3.942214e-04	4.327142e-05	1.589084	21      	0.729462	1850.387400	253.163713	4.422719