/* ** ** Swift/XRT hardness ratio for Mrk 501. ** 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 55981.242396 0.000845 0.29441 0.02436 0.97260 0 5.16106 0.19999 4.66264 0.18067 1.51946 0.11106 1.37338 0.10039 55981.244016 0.000775 0.31284 0.02560 0.98881 0 5.30052 0.21224 4.81043 0.19262 1.65823 0.11837 1.50493 0.10743 55981.245541 0.000749 0.35159 0.02943 0.99228 0 4.82673 0.20582 4.38138 0.18683 1.69703 0.12223 1.54050 0.11096 55981.247208 0.000917 0.29215 0.02347 0.98423 0 4.87841 0.18712 4.42913 0.16989 1.42523 0.10058 1.29394 0.09131 55981.248912 0.000787 0.33072 0.02720 0.98162 0 4.96235 0.20314 4.50433 0.18439 1.64115 0.11710 1.48977 0.10630 55981.250437 0.000738 0.33957 0.02806 0.98824 0 5.12166 0.21348 4.64846 0.19376 1.73918 0.12409 1.57845 0.11262 55981.252321 0.001146 0.29522 0.02034 0.97475 0 5.31557 0.17436 4.82709 0.15834 1.56924 0.09508 1.42493 0.08633