! Swift/XRT detailed lightcurve of trigger: 20948, name: GRB 190919B - source 1
 ! Swift/XRT lightcurve of trigger: 20948, name: GRB 190919B - source 1
 ! T0 for this burst is Swift MET=590629600.0 s, = 2019 Sep 19 at 23:46:16.349 UT
 ! Data covers 0.3-10 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: GRB-like (counts)
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
29188.427	343.697	-624.128	1.987779e-02	5.199899e-03	-5.199899e-03	2.007320e-04	2.838779e-05	1.000000
30281.521	456.607	-749.398	2.542800e-02	5.238905e-03	-5.238905e-03	1.836408e-04	2.432382e-05	1.000000
36048.734	390.719	-424.154	2.027414e-02	6.271801e-03	-5.205737e-03	1.764464e-04	2.900761e-05	1.000000