! 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 0.020632 0.004476 6892.774 3295.245 -1249.852 0.024253 0.005119 11236.568 1169.532 -1048.549 0.016763 0.003212 17035.874 1166.842 -1320.405 0.008044 0.002094 26776.391 8778.885 -5276.892 0.005698 0.001028 44100.604 14052.172 -5235.270 0.003056 0.000821 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 0.023826 0.004896 6892.774 3295.245 -1249.852 0.015003 0.004133 11236.568 1169.532 -1048.549 0.010256 0.002644 17035.874 1166.842 -1320.405 0.007694 0.002172 26776.391 8778.885 -5276.892 0.002289 0.000763 44100.604 14052.172 -5235.270 0.004574 0.001048 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 0.865970 0.258748 6892.774 3295.245 -1249.852 1.616557 0.561019 11236.568 1169.532 -1048.549 1.634398 0.524968 17035.874 1166.842 -1320.405 1.045497 0.401427 26776.391 8778.885 -5276.892 2.489674 0.944088 44100.604 14052.172 -5235.270 0.668208 0.236006