READ TERR 1 2 
READ SERR 4
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	FracExp 	BGrate  	BGerr   	CorrFact	CtsInSrc	BGInSrc 	Exposure	Sigma   	SNR
640918.441	41934.006	-764.396	2.8245e-03	0.0000e+00	0.0000e+00	0.1234  	7.0750e-05	4.6753e-06	1.5399  	2       	0.3729  	5270.3446	1.8292  	inf