/* ** ** 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 57053.002760 0.000436 23.30401 1.28149 0.99892 1 57053.004095 0.000385 24.85401 0.81180 1.00000 0 57053.004859 0.000379 26.20958 0.84905 1.00000 0 57053.005609 0.000370 26.13100 0.84996 1.00000 0 57053.006352 0.000373 25.49480 0.83122 1.00000 0 57053.007119 0.000394 24.34493 0.79214 1.00000 0 57053.007874 0.000362 26.61880 0.85749 1.00000 0 57053.008595 0.000359 27.10139 0.87498 1.00000 0 57053.009315 0.000362 26.23765 0.85143 1.00000 0 57053.010027 0.000350 27.05151 0.88039 1.00000 0 57053.010742 0.000365 25.99487 0.84523 1.00000 0 57053.011474 0.000367 25.68680 0.83481 1.00000 0 57053.012206 0.000365 25.77748 0.83141 1.00000 0 57053.013227 0.000657 27.06964 0.63358 1.00000 0