/* ** ** 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 56025.921818 0.000211 15.77326 0.86794 1.00000 0 56025.922168 0.000139 19.81403 1.43842 1.00000 0 56025.922457 0.000150 16.29930 1.17696 1.00000 0 56025.923178 0.000570 16.83406 0.54783 1.00000 0 56025.923870 0.000122 15.93678 1.14932 1.00000 0 56025.924121 0.000130 15.11615 1.07821 1.00000 0 56025.924813 0.000561 16.79207 0.54868 1.00000 0 56025.925935 0.000561 16.96982 0.54916 1.00000 0 56025.927052 0.000556 17.07581 0.54727 1.00000 0 56025.928163 0.000556 17.17075 0.55197 0.99479 0 56025.929127 0.000408 16.47952 0.62974 1.00000 0 56025.929662 0.000127 16.41431 1.12926 1.00000 0 56025.930354 0.000564 16.73377 0.53706 1.00000 0 56025.931089 0.000171 16.14395 0.95378 1.00000 0 56025.931809 0.000550 17.13114 0.54831 1.00000 0 56025.932478 0.000119 15.68296 1.12740 1.00000 0 56025.932727 0.000130 14.70780 1.05980 1.00000 0 56025.933025 0.000168 16.03317 0.96475 1.00000 0 56025.933589 0.000396 16.35335 0.63504 1.00000 0