/* ** ** Swift/XRT hardness ratio for 3C 273. ** 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 55288.746029 0.000341 0.30878 0.05046 0.99153 0 3.55348 0.28265 2.76253 0.21972 1.09723 0.15664 0.84895 0.12118 55288.747525 0.001155 0.45280 0.03878 0.96491 0 2.94659 0.14022 2.28332 0.10865 1.33423 0.09501 1.03415 0.07364 55288.749721 0.001042 0.49624 0.04312 0.97500 0 2.97817 0.14910 2.30479 0.11539 1.47787 0.10495 1.14334 0.08119 55288.751081 0.000318 0.42697 0.07045 0.97273 0 2.99932 0.27146 2.31670 0.20968 1.28062 0.17668 0.98838 0.13636 55288.752184 0.000784 0.45863 0.04930 0.96310 0 2.78190 0.16786 2.14700 0.12955 1.27586 0.11351 0.98496 0.08763 55288.753283 0.000315 0.40410 0.06838 0.96330 0 3.11915 0.28392 2.37194 0.21590 1.26044 0.17979 0.95705 0.13649 55288.753897 0.000298 0.55272 0.09853 0.98058 0 2.31288 0.24699 1.78200 0.19028 1.27838 0.18248 0.98343 0.14038 55288.755549 0.001354 0.49584 0.03983 0.95726 0 2.73868 0.12601 2.09617 0.09644 1.35795 0.08940 1.03982 0.06845