/* ** ** 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 58245.974050 0.000391 20.54234 0.66947 1.00000 0 58245.974785 0.000344 21.77876 0.70778 1.00000 0 58245.975483 0.000353 20.69594 0.67208 1.00000 0 58245.976209 0.000373 19.62033 0.63864 1.00000 0 58245.976932 0.000350 20.88465 0.68382 1.00000 0 58245.977653 0.000370 19.73278 0.64445 1.00000 0 58245.978350 0.000327 22.10599 0.72062 1.00000 0 58245.979030 0.000353 20.61399 0.67377 1.00000 0 58245.979716 0.000333 21.86962 0.70748 1.00000 0 58245.980413 0.000365 20.05529 0.65146 1.00000 0 58245.981160 0.000382 18.93209 0.61785 1.00000 0 58245.981898 0.000356 20.25592 0.66960 1.00000 0 58245.982635 0.000382 19.02233 0.61756 1.00000 0 58245.983515 0.000498 19.66319 0.55551 1.00000 0