/* ** ** Swift/XRT hardness ratio for Mrk 421. ** 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 58276.264728 0.000506 0.14501 0.01109 0.98286 0 18.96234 0.51367 15.93520 0.43167 2.74977 0.19661 2.30935 0.16513 58276.265747 0.000512 0.15383 0.01186 0.98870 0 17.56113 0.49455 14.69432 0.41374 2.70146 0.19388 2.26317 0.16243 58276.266780 0.000521 0.14597 0.01121 0.98889 0 18.51528 0.50532 15.24704 0.41610 2.70273 0.19399 2.22503 0.15969 58276.267767 0.000466 0.15384 0.01171 0.98758 0 19.93690 0.55367 16.45852 0.45707 3.06700 0.21740 2.53061 0.17937 58276.269193 0.000961 0.14999 0.00824 0.99331 0 18.89864 0.37420 15.66778 0.31019 2.83466 0.14530 2.35076 0.12048 58276.603958 0.000414 0.15365 0.01194 0.99301 0 19.81511 0.55860 18.04964 0.50883 3.04455 0.22045 2.77219 0.20074 58276.604759 0.000388 0.17174 0.01330 0.99254 0 19.18464 0.57017 17.55837 0.52183 3.29484 0.23562 3.01552 0.21564 58276.605564 0.000417 0.15902 0.01232 0.99306 0 19.10407 0.54354 17.48777 0.49756 3.03786 0.21883 2.78082 0.20031 58276.606336 0.000356 0.18831 0.01477 0.98374 0 19.03072 0.58946 17.32875 0.53673 3.58366 0.25830 3.26491 0.23529 58276.607097 0.000405 0.15851 0.01224 0.99286 0 19.65666 0.56290 17.99383 0.51529 3.11578 0.22348 2.85221 0.20457 58276.607844 0.000341 0.20502 0.01591 1.00000 0 18.18297 0.58923 16.64467 0.53938 3.72783 0.26294 3.41245 0.24070 58276.608605 0.000420 0.15910 0.01200 0.98621 0 19.74806 0.55483 18.07715 0.50788 3.14195 0.21992 2.87611 0.20131