/* ** ** Swift/XRT hardness ratio for M87. ** 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 54512.461983 0.000602 0.21437 0.03772 0.75000 0 3.19204 0.25312 2.73315 0.21660 0.68427 0.10749 0.58497 0.09186 54512.463169 0.000579 0.26304 0.04638 0.72000 0 2.89104 0.25774 2.47911 0.22103 0.76047 0.11570 0.65192 0.09918 54512.464511 0.000764 0.19766 0.03315 0.73864 0 2.86691 0.21354 2.46078 0.18324 0.56668 0.08515 0.48679 0.07314 54512.465880 0.000605 0.26541 0.04341 0.76283 0 2.95444 0.24094 2.51577 0.20520 0.78414 0.11119 0.66750 0.09466 54512.467019 0.000494 0.44396 0.12639 0.67647 1 3.00495 0.43978 0.73733 0.10789 1.33408 0.32577 0.32800 0.08013 54512.468181 0.000552 0.37418 0.09272 0.79559 1 3.51735 0.45808 0.85533 0.11138 1.31612 0.27744 0.32135 0.06770