/* ** ** 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 57596.007597 0.000969 0.46907 0.04082 0.98507 0 2.98203 0.14738 2.55895 0.12647 1.39878 0.10019 1.20058 0.08599 57596.009585 0.001019 0.50164 0.04384 0.97159 0 2.69857 0.13643 2.32020 0.11730 1.35372 0.09649 1.16336 0.08292 57596.011662 0.001059 0.40408 0.03430 0.97814 0 3.18231 0.14386 2.73189 0.12349 1.28591 0.09240 1.10355 0.07929 57596.013694 0.000972 0.47220 0.04071 0.98214 0 2.97854 0.14549 2.56028 0.12506 1.40645 0.09993 1.20906 0.08590 57596.015742 0.001076 0.46067 0.03975 0.97312 0 2.77017 0.13426 2.38169 0.11542 1.27612 0.09110 1.09754 0.07836 57596.017950 0.001131 0.40024 0.03405 0.97442 0 2.99596 0.13532 2.58289 0.11667 1.19910 0.08643 1.03400 0.07453 57596.020618 0.001536 0.43882 0.03083 0.97363 0 3.03970 0.11803 2.61533 0.10156 1.33388 0.07809 1.14841 0.06723