/* ** ** 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 60021.020868 0.000298 21.38216 0.69223 1.00000 0 60021.021473 0.000307 20.70895 0.67075 1.00000 0 60021.022072 0.000292 21.73590 0.71204 1.00000 0 60021.022668 0.000304 21.10227 0.69018 1.00000 0 60021.023270 0.000298 21.48164 0.69845 1.00000 0 60021.023863 0.000295 22.11486 0.71532 1.00000 0 60021.024453 0.000295 21.87793 0.71771 1.00000 0 60021.025046 0.000298 21.69302 0.70144 1.00000 0 60021.025874 0.000530 21.34821 0.52808 0.99834 0 60021.089598 0.000457 17.17831 0.57672 0.98749 0 60021.090176 0.000122 15.65171 1.15716 1.00000 0 60021.090428 0.000130 14.66138 1.08235 1.00000 0 60021.090694 0.000136 14.31918 1.04636 0.97872 0 60021.090963 0.000133 14.01519 1.04491 1.00000 0 60021.091235 0.000139 13.27937 0.96383 1.00000 0 60021.091493 0.000119 15.75959 1.16475 1.00000 0 60021.091733 0.000122 15.58880 1.13092 1.00000 0 60021.091979 0.000124 15.29813 1.10381 1.00000 0 60021.092225 0.000122 15.29880 1.14244 0.97619 0 60021.092477 0.000130 14.14586 1.03902 1.00000 0 60021.092731 0.000124 15.19078 1.08992 1.00000 0 60021.092980 0.000124 14.75339 1.09805 1.00000 0 60021.093675 0.000570 16.36885 0.53525 1.00000 0 60021.094502 0.000258 15.94791 0.78425 1.00000 0 60021.094933 0.000174 13.89109 0.88045 1.00000 0