/* ** ** 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 58816.275856 0.000289 23.47970 0.75897 1.00000 0 58816.276424 0.000278 24.46863 0.79444 1.00000 0 58816.276994 0.000292 23.21710 0.74916 1.00000 0 58816.277561 0.000275 24.76851 0.79477 1.00000 0 58816.278125 0.000289 23.12993 0.75294 1.00000 0 58816.278706 0.000292 23.47289 0.75066 1.00000 0 58816.279262 0.000263 25.77817 0.82972 1.00000 0 58816.279809 0.000284 24.05992 0.77177 1.00000 0 58816.280373 0.000281 24.35584 0.77555 1.00000 0 58816.280932 0.000278 24.43584 0.78606 1.00000 0 58816.281484 0.000275 24.97319 0.79729 1.00000 0 58816.282049 0.000289 23.54217 0.75420 1.00000 0 58816.282613 0.000275 25.07713 0.80253 1.00000 0 58816.283165 0.000278 24.48193 0.78240 1.00000 0 58816.283704 0.000260 25.80341 0.83842 1.00000 0 58816.284329 0.000365 24.26201 0.67987 1.00000 0