! Swift/XRT hardness ratio of trigger: 21481, name: GRB 220219B - source 1
 ! T0 for this burst is Swift MET=666955673.786, = 2022 Feb 19 at 09:27:25.000 UT
 ! The hard band is 1.51-10 keV
 ! The soft band is 0.3-1.5 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
! There are 3 datasets: Hard, Soft, and the ratio
! Columns are as labelled
READ TERR 1 
READ SERR 2

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
328256.791	366.875	-385.315	1.12163665948631e-12	2.95960347859085e-13	-2.95960347859085e-13
356931.104	372.272	-364.874	1.59004596458848e-12	3.61372763299825e-13	-3.61372763299825e-13
368776.153	469.192	-561.308	7.76512528998049e-13	2.32422384525665e-13	-1.94212888976747e-13