/* ** ** Swift/XRT light curve for Mrk 501. ** ** 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 58227.991677 0.000550 2.49466 0.17850 0.96842 0 58227.992893 0.000666 2.02262 0.14601 0.97391 0 58227.994177 0.000619 2.17448 0.15628 0.97664 0 58227.995424 0.000628 2.13461 0.15432 0.97696 0 58227.996706 0.000654 2.09983 0.15030 0.96460 0 58227.997887 0.000527 2.58951 0.18618 0.96703 0 58227.999195 0.000781 2.33754 0.14444 0.96632 0