/* ** ** 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 55219.340889 0.000255 24.79792 0.79089 1.00000 0 55219.341383 0.000240 26.15229 0.84060 1.00000 0 55219.341867 0.000243 25.47287 0.82201 1.00000 0 55219.342347 0.000237 26.12654 0.83649 1.00000 0 55219.342845 0.000260 23.62059 0.76040 1.00000 0 55219.343366 0.000260 23.67651 0.75896 1.00000 0 55219.343898 0.000272 22.68405 0.72912 1.00000 0 55219.344410 0.000240 25.76361 0.82627 1.00000 0 55219.344908 0.000258 24.12437 0.77211 1.00000 0 55219.345405 0.000240 25.71160 0.82545 1.00000 0 55219.345889 0.000243 25.48637 0.81751 1.00000 0 55219.346392 0.000260 23.91352 0.76894 1.00000 0 55219.346893 0.000240 25.75867 0.82556 1.00000 0 55219.347379 0.000246 25.33094 0.81120 1.00000 0 55219.347882 0.000258 24.49977 0.78090 1.00000 0 55219.348389 0.000249 24.92020 0.80185 1.00000 0 55219.348886 0.000249 25.47799 0.81248 1.00000 0 55219.349381 0.000246 26.02195 0.83005 1.00000 0 55219.349861 0.000234 26.58733 0.85839 1.00000 0 55219.350336 0.000240 26.41657 0.83908 1.00000 0 55219.350813 0.000237 26.67713 0.85618 1.00000 0 55219.351288 0.000237 26.27275 0.83944 1.00000 0 55219.351768 0.000243 25.85362 0.82874 1.00000 0 55219.352266 0.000255 24.48794 0.78697 1.00000 0 55219.352995 0.000475 24.38186 0.57342 1.00000 0