! Swift/XRT hardness ratio of trigger: 345945, name: GRB 090309 ! T0 for this burst is Swift MET=258334157.824 s, = 2009 Mar 09 at 23:29:13.262 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 190.221 207.333 -103.573 0.072086 0.017231 602.726 238.619 -205.172 0.063872 0.013499 4804.697 650.683 -713.288 0.020764 0.004506 6892.774 3295.245 -1249.852 0.024104 0.005087 11236.568 1169.532 -1048.549 0.016893 0.003236 17035.874 1166.842 -1320.405 0.008107 0.002111 26628.376 8926.900 -5128.877 0.005475 0.001005 43726.549 8471.454 -4861.215 0.003225 0.000842 68762.113 34958.184 -12557.513 0.001960 0.000545 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 190.221 207.333 -103.573 0.058293 0.015697 602.726 238.619 -205.172 0.047010 0.012598 4804.697 650.683 -713.288 0.023786 0.004888 6892.774 3295.245 -1249.852 0.014906 0.004106 11236.568 1169.532 -1048.549 0.010328 0.002661 17035.874 1166.842 -1320.405 0.007702 0.002175 26628.376 8926.900 -5128.877 0.002445 0.000777 43726.549 8471.454 -4861.215 0.004791 0.001083 68762.113 34958.184 -12557.513 0.001807 0.000575 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 190.221 207.333 -103.573 1.236616 0.445256 602.726 238.619 -205.172 1.358700 0.463716 4804.697 650.683 -713.288 0.872944 0.260879 6892.774 3295.245 -1249.852 1.617069 0.561199 11236.568 1169.532 -1048.549 1.635726 0.525264 17035.874 1166.842 -1320.405 1.052706 0.404373 26628.376 8926.900 -5128.877 2.239614 0.822211 43726.549 8471.454 -4861.215 0.673138 0.232428 68762.113 34958.184 -12557.513 1.084806 0.458310