! Swift/XRT lightcurve of trigger: 21426, name: GRB 210323B - source 4
 ! T0 for this burst is Swift MET=638193839.7 s, = 2021 Mar 23 at 12:03:33.000 UT
 ! Data covers 0.3-10 keV
 ! The data are in 5 columns:  ! time, time error (+ve), time error (-ve), source count-rate, source error
 ! For a detailed description of light curve production, see Evans et al. 2007 (A&A, 469, 379 )
 ! For a detailed description of the file, see
 ! http://www.swift.ac.uk/xrt_curves/docs.php
 ! This lightcurve was obtained from http://www.swift.ac.uk/xrt_curves/00021426
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
106966.646	9600.919	-3348.616	3.543846e-03	1.449268e-03	-1.157270e-03
NO	NO	NO	NO	NO	NO
! PC Upper limit
1308448.321	23010.661	-23010.661	2.1107e-03	0.0000e+00	0.0000e+00