/* ** ** Swift/XRT hardness ratio for PKS 2155-304. ** Hardness ratio for this file has been calculated by splitting the data at 2.0 keV. ** ** Data taken from the automatic processing at http://www.swift.psu.edu/monitoring/ ** ** When using these data and results in publications, please reference M.C. Stroh & A.D. Falcone 2013, ApJS, 207, 28; arXiv: 1305.4949. ** ** Key: ** ** BinCenter - Center of time bin (MJD). ** BinHW - One-half of the full time bin size (days). ** FracExp - Conversion factor between bin size and observing time. ** Ratio - Source hardness ratio (2.0 - 10.0 keV)/(0.3 - 2.0 keV). ** This is also Rate2/Rate1 from the following columns. ** RatioError - 1 sigma error in the hardness ratio. ** Mode - 0 if in Windowed Timing (WT). ** 1 if in Photon Counting (PC). ** Rate1 - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s) in the 0.3 - 2.0 keV band. ** RateError1 - 1 sigma error in source count rate (cts/s) in the 0.3 - 2.0 keV band. ** NetRate1 - Background subtracted count rate (cts/s) in the 0.3 - 2.0 keV band. ** NetError1 - Error in the background subtracted count rate (cts/s) in the 0.3 - 2.0 keV band. ** Rate2 - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s) in the 2.0 - 10.0 keV band. ** RateError2 - 1 sigma error in source count rate (cts/s) in the 2.0 - 10.0 keV band. ** NetRate2 - Background subtracted count rate (cts/s) in the 2.0 - 10.0 keV band. ** NetError2 - Error in the background subtracted count rate (cts/s) in the 2.0 - 10.0 keV band. ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Ratio RatioError FracExp Mode Rate1 RateError1 NetRate1 NetError1 Rate1 RateError2 NetRate2 NetError2 57686.818694 0.000854 0.07880 0.01857 0.96949 0 2.02251 0.12838 1.75055 0.11111 0.15937 0.03618 0.13823 0.03138 57686.820358 0.000810 0.08494 0.02040 0.98214 0 1.91825 0.12898 1.66721 0.11210 0.16294 0.03757 0.14181 0.03269 57686.821903 0.000735 0.09432 0.02242 0.99606 0 1.92200 0.13562 1.65437 0.11674 0.18128 0.04115 0.15626 0.03547 57686.823830 0.001192 0.10811 0.01985 0.96943 0 1.78689 0.10405 1.53158 0.08917 0.19317 0.03363 0.16552 0.02881 57686.885388 0.000749 0.10519 0.02475 0.98070 0 1.76209 0.12893 1.50530 0.11013 0.18535 0.04145 0.15774 0.03527 57686.886774 0.000637 0.13061 0.03106 0.95909 0 1.70118 0.13756 1.45136 0.11736 0.22220 0.04969 0.18989 0.04246 57686.888475 0.001065 0.09807 0.02002 0.97283 0 1.80236 0.10996 1.52588 0.09309 0.17676 0.03443 0.14952 0.02912