! Swift/XRT hardness ratio of trigger: 19863, name: GRB 250610B - source 1 ! T0 for this burst is Swift MET=771266034.77 s, = 2025 Jun 10 at 16:33:19.000 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 ! BINMODE: GRB-like (counts) READ TERR 1 READ SERR 2 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 3183.644 311.851 -279.877 0.032438 0.008458 3816.411 288.363 -320.916 0.031228 0.008174 4387.312 238.970 -282.538 0.043853 0.010438 17161.088 64671.220 -8562.051 0.017381 0.004272 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 3183.644 311.851 -279.877 0.062501 0.011754 3816.411 288.363 -320.916 0.068454 0.012147 4387.312 238.970 -282.538 0.079622 0.014066 17161.088 64671.220 -8562.051 0.026265 0.005260 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 3183.644 311.851 -279.877 0.518999 0.166847 3816.411 288.363 -320.916 0.456190 0.144265 4387.312 238.970 -282.538 0.550760 0.163250 17161.088 64671.220 -8562.051 0.661744 0.209787