/* ** ** 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 59268.158288 0.000362 17.37004 0.56122 1.00000 0 59268.159021 0.000370 16.99294 0.54544 1.00000 0 59268.159776 0.000385 15.86179 0.52264 1.00000 0 59268.160534 0.000373 16.50972 0.53814 1.00000 0 59268.161301 0.000394 15.83677 0.50938 1.00000 0 59268.162076 0.000382 16.07162 0.52580 1.00000 0 59268.162811 0.000353 17.59979 0.56607 1.00000 0 59268.163856 0.000692 16.87371 0.39624 0.99847 0