! Swift/XRT hardness ratio of trigger: 1311764, name: GRB 250509A ! T0 for this burst is Swift MET=768522846.208 s, = 2025 May 09 at 22:33:30.633 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 254.992 23.501 -19.123 0.986460 0.223022 308.545 40.153 -30.051 0.671163 0.144350 392.025 59.473 -43.327 0.612883 0.114133 503.267 43.509 -51.769 0.852121 0.138532 612.331 62.316 -65.555 1.001969 0.129768 4416.696 54.611 -68.247 0.352537 0.079155 4547.353 69.378 -76.045 0.344976 0.072537 4745.007 114.933 -128.276 0.354912 0.056426 5045.830 180.177 -185.890 0.453753 0.052062 7858.266 1953.270 -2441.183 0.173038 0.034062 9968.331 149.096 -156.796 0.138804 0.027302 10263.161 122.549 -145.733 0.131419 0.026406 10530.230 153.850 -144.520 0.118520 0.023833 10804.355 137.978 -120.275 0.120572 0.025911 11161.822 241.850 -219.489 0.103421 0.017920 21281.106 270.740 -305.942 0.044818 0.010710 22184.344 538.417 -632.498 0.031663 0.006304 27361.515 921.134 -818.933 0.022810 0.004131 43823.485 45379.899 -10858.041 0.005326 0.001438 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 254.992 23.501 -19.123 1.097157 0.235675 308.545 40.153 -30.051 0.604537 0.137055 392.025 59.473 -43.327 0.438815 0.096133 503.267 43.509 -51.769 0.460830 0.102160 612.331 62.316 -65.555 0.592696 0.100000 4416.696 54.611 -68.247 0.350821 0.078878 4547.353 69.378 -76.045 0.296618 0.067060 4745.007 114.933 -128.276 0.174970 0.040169 5045.830 180.177 -185.890 0.198776 0.034819 7858.266 1953.270 -2441.183 0.138053 0.031211 9968.331 149.096 -156.796 0.127741 0.028869 10263.161 122.549 -145.733 0.105176 0.023771 10530.230 153.850 -144.520 0.089966 0.020831 10804.355 137.978 -120.275 0.110407 0.024784 11161.822 241.850 -219.489 0.087861 0.016570 21281.106 270.740 -305.942 0.049798 0.011340 22184.344 538.417 -632.498 0.030315 0.006207 27361.515 921.134 -818.933 0.024746 0.004316 43823.485 45379.899 -10858.041 0.011989 0.004743 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 254.992 23.501 -19.123 0.899105 0.280392 308.545 40.153 -30.051 1.110211 0.346938 392.025 59.473 -43.327 1.396679 0.401585 503.267 43.509 -51.769 1.849099 0.508333 612.331 62.316 -65.555 1.690526 0.359570 4416.696 54.611 -68.247 1.004893 0.319306 4547.353 69.378 -76.045 1.163030 0.359084 4745.007 114.933 -128.276 2.028422 0.566442 5045.830 180.177 -185.890 2.282734 0.477999 7858.266 1953.270 -2441.183 1.253422 0.375738 9968.331 149.096 -156.796 1.086602 0.325552 10263.161 122.549 -145.733 1.249513 0.377873 10530.230 153.850 -144.520 1.317386 0.404004 10804.355 137.978 -120.275 1.092069 0.339372 11161.822 241.850 -219.489 1.177098 0.301460 21281.106 270.740 -305.942 0.899992 0.297079 22184.344 538.417 -632.498 1.044470 0.298288 27361.515 921.134 -818.933 0.921762 0.231767 43823.485 45379.899 -10858.041 0.444265 0.212774