/* ** ** 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 59188.744021 0.000231 27.97903 0.90548 1.00000 0 59188.744501 0.000249 25.82734 0.83531 1.00000 0 59188.744970 0.000220 29.60982 0.94843 1.00000 0 59188.745421 0.000231 27.27888 0.88288 1.00000 0 59188.745896 0.000243 25.81183 0.84464 1.00000 0 59188.746373 0.000234 27.36057 0.87466 1.00000 0 59188.746842 0.000234 27.19798 0.87661 1.00000 0 59188.747316 0.000240 26.62681 0.85737 1.00000 0 59188.747794 0.000237 27.32497 0.87707 1.00000 0 59188.748268 0.000237 26.82493 0.86758 1.00000 0 59188.748743 0.000237 27.06827 0.86697 1.00000 0 59188.749218 0.000237 26.96622 0.88283 1.00000 0 59188.749692 0.000237 27.15043 0.86803 1.00000 0 59188.750141 0.000211 30.32480 0.97292 1.00000 0 59188.750580 0.000229 28.03739 0.89885 1.00000 0 59188.751055 0.000246 25.74708 0.83064 1.00000 0 59188.751550 0.000249 25.63395 0.82600 1.00000 0 59188.752033 0.000234 27.19891 0.87146 1.00000 0 59188.752510 0.000243 27.24438 0.86349 0.99216 0