/* ** ** 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 59347.278005 0.000362 17.51710 0.58616 1.00000 0 59347.278720 0.000353 17.95147 0.58724 1.00000 0 59347.279426 0.000353 18.61918 0.59676 1.00000 0 59347.280170 0.000391 16.41792 0.52940 1.00000 0 59347.280928 0.000367 17.44109 0.56795 1.00000 0 59347.281660 0.000365 17.71194 0.57191 1.00000 0 59347.282380 0.000356 18.16729 0.58615 1.00000 0 59347.283107 0.000370 17.45988 0.56388 1.00000 0 59347.283827 0.000350 18.30831 0.59081 1.00000 0 59347.284525 0.000347 18.63806 0.59897 1.00000 0 59347.285228 0.000356 18.03899 0.58957 1.00000 0 59347.285928 0.000344 18.65732 0.61149 1.00000 0 59347.286625 0.000353 18.39741 0.58952 1.00000 0 59347.287571 0.000593 18.27788 0.45711 0.99512 0