/* ** ** 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 56352.367146 0.000370 16.85359 0.54210 1.00000 0 56352.367864 0.000347 17.93476 0.57704 1.00000 0 56352.368576 0.000365 17.22992 0.55069 1.00000 0 56352.369290 0.000350 17.91117 0.57295 1.00000 0 56352.369996 0.000356 17.79487 0.56888 1.00000 0 56352.370699 0.000347 18.22759 0.58009 1.00000 0 56352.371403 0.000356 17.64406 0.56314 1.00000 0 56352.372120 0.000362 17.30850 0.55850 1.00000 0 56352.372829 0.000347 18.17682 0.58231 1.00000 0 56352.373535 0.000359 17.76954 0.56717 1.00000 0 56352.374244 0.000350 18.22447 0.58283 1.00000 0 56352.374979 0.000385 16.43551 0.52859 1.00000 0 56352.375740 0.000376 16.66194 0.53676 1.00000 0 56352.376463 0.000347 18.53918 0.58808 1.00000 0 56352.377169 0.000359 17.70992 0.56524 1.00000 0 56352.377898 0.000370 17.06561 0.55205 1.00000 0 56352.378712 0.000443 16.65801 0.50093 1.00000 0