/* ** ** Swift/XRT light curve for Mrk 421. ** ** 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) ** Rate - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s). ** RateError - 1 sigma error in source count rate (cts/s) ** FracExp - Conversion factor between bin size and observing time ** Mode - 0 if in Windowed Timing (WT) ** 1 if in Photon Counting (PC) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode 59960.107530 0.000139 61.34359 1.94854 1.00000 0 59960.107796 0.000127 62.45252 2.01030 1.00000 0 59960.108048 0.000124 62.91303 2.01651 1.00000 0 59960.108297 0.000124 63.65728 2.04936 1.00000 0 59960.108552 0.000130 61.90771 1.96842 1.00000 0 59960.108812 0.000130 61.88787 2.00128 1.00000 0 59960.109072 0.000130 61.81970 1.98552 1.00000 0 59960.109324 0.000122 64.60811 2.07550 1.00000 0 59960.109570 0.000124 64.66305 2.07255 1.00000 0 59960.109819 0.000124 64.55974 2.06522 1.00000 0 59960.110077 0.000133 60.35559 1.94263 1.00000 0 59960.110334 0.000124 64.08975 2.05896 1.00000 0 59960.110583 0.000124 64.48163 2.06904 1.00000 0 59960.110832 0.000124 63.43919 2.05711 1.00000 0 59960.111086 0.000130 61.84101 1.97460 1.00000 0 59960.111341 0.000124 64.87860 2.05779 1.00000 0 59960.111584 0.000119 67.06867 2.14999 1.00000 0 59960.111827 0.000124 66.45638 2.11633 1.00000 0 59960.112082 0.000130 62.04761 1.98448 1.00000 0 59960.112328 0.000116 69.82674 2.22646 1.00000 0 59960.112565 0.000122 64.63531 2.09240 1.00000 0 59960.112799 0.000113 69.38892 2.23720 1.00000 0 59960.113057 0.000145 64.19191 1.92044 0.98882 0