! Swift/XRT hardness ratio of trigger: 1223470, name: GRB 240421B ! T0 for this burst is Swift MET=735385407.36 s, = 2024 Apr 21 at 09:42:54.051 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 226.533 60.532 -52.297 2.619922 0.461973 365.996 86.551 -78.932 2.650351 0.383573 540.005 110.620 -87.457 3.131686 0.380792 687.723 45.644 -37.098 2.407804 0.515197 823.374 95.534 -90.007 1.904884 0.307519 1011.788 85.139 -92.880 1.780148 0.303183 1252.640 142.658 -155.713 1.510545 0.216476 1482.214 113.668 -86.917 1.298655 0.244712 1720.051 129.061 -124.169 1.607224 0.241714 5822.865 82.001 -91.004 0.387097 0.069817 5985.724 79.610 -80.858 0.319848 0.065390 6139.992 85.810 -74.658 0.347196 0.068384 6349.945 106.530 -124.143 0.353925 0.057639 6586.438 163.387 -129.963 0.307494 0.048219 12789.365 82.116 -98.411 0.156335 0.035247 13019.600 122.671 -148.119 0.181087 0.031207 13261.587 106.343 -119.316 0.158795 0.031890 13573.118 183.439 -205.188 0.167223 0.025054 19033.323 429.578 -397.831 0.113643 0.013060 23147.342 319.633 -384.922 0.067838 0.010924 23692.826 278.112 -225.851 0.075955 0.013700 33747.281 11749.259 -3770.866 0.035305 0.007967 46008.838 580.885 -512.298 0.021110 0.005028 59377.062 4374.186 -2365.058 0.022548 0.003482 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 226.533 60.532 -52.297 1.584272 0.359464 365.996 86.551 -78.932 1.073607 0.244906 540.005 110.620 -87.457 0.902490 0.205320 687.723 45.644 -37.098 2.169913 0.490377 823.374 95.534 -90.007 0.969268 0.220512 1011.788 85.139 -92.880 1.009266 0.228998 1252.640 142.658 -155.713 0.595413 0.136927 1482.214 113.668 -86.917 0.901211 0.203393 1720.051 129.061 -124.169 0.708924 0.161283 5822.865 82.001 -91.004 0.248540 0.056043 5985.724 79.610 -80.858 0.266037 0.059877 6139.992 85.810 -74.658 0.267256 0.059871 6349.945 106.530 -124.143 0.185745 0.041727 6586.438 163.387 -129.963 0.194620 0.038442 12789.365 82.116 -98.411 0.203143 0.040125 13019.600 122.671 -148.119 0.105555 0.023971 13261.587 106.343 -119.316 0.126435 0.028743 13573.118 183.439 -205.188 0.072694 0.016700 19033.323 429.578 -397.831 0.050038 0.008916 23147.342 319.633 -384.922 0.030598 0.007472 23692.826 278.112 -225.851 0.048649 0.011015 33747.281 11749.259 -3770.866 0.027450 0.006982 46008.838 580.885 -512.298 0.018732 0.004743 59377.062 4374.186 -2365.058 0.007745 0.002080 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 226.533 60.532 -52.297 1.653707 0.475204 365.996 86.551 -78.932 2.468643 0.666908 540.005 110.620 -87.457 3.470049 0.895131 687.723 45.644 -37.098 1.109631 0.345333 823.374 95.534 -90.007 1.965281 0.548239 1011.788 85.139 -92.880 1.763806 0.500399 1252.640 142.658 -155.713 2.536972 0.687437 1482.214 113.668 -86.917 1.441011 0.423675 1720.051 129.061 -124.169 2.267133 0.618291 5822.865 82.001 -91.004 1.557486 0.449722 5985.724 79.610 -80.858 1.202270 0.365561 6139.992 85.810 -74.658 1.299115 0.387518 6349.945 106.530 -124.143 1.905439 0.528703 6586.438 163.387 -129.963 1.579971 0.398474 12789.365 82.116 -98.411 0.769580 0.230674 13019.600 122.671 -148.119 1.715577 0.489080 13261.587 106.343 -119.316 1.255945 0.380971 13573.118 183.439 -205.188 2.300384 0.630920 19033.323 429.578 -397.831 2.271136 0.481563 23147.342 319.633 -384.922 2.217094 0.648528 23692.826 278.112 -225.851 1.561269 0.451944 33747.281 11749.259 -3770.866 1.286178 0.437327 46008.838 580.885 -512.298 1.126951 0.391784 59377.062 4374.186 -2365.058 2.911466 0.902077