! Swift/XRT detailed lightcurve of trigger: 11177, name: IceCube 190221A - source 1
 ! T0 for this burst is Swift MET=572430339 s, = 2019 Feb 21 at 08:25:16.547 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
37149.712	10119.997	-8349.310	5.609285e-02	1.753343e-02	-1.456121e-02	6.656446e-04	1.094313e-04	0.022807