/* ** ** 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 57538.253805 0.000182 34.50193 1.11577 1.00000 0 57538.254173 0.000185 34.63295 1.10038 1.00000 0 57538.254537 0.000179 36.05827 1.14985 1.00000 0 57538.254899 0.000182 34.95801 1.11735 1.00000 0 57538.255269 0.000188 33.63784 1.08113 1.00000 0 57538.255631 0.000174 37.38890 1.19153 1.00000 0 57538.255999 0.000194 33.12859 1.05716 1.00000 0 57538.256372 0.000179 35.70723 1.14420 1.00000 0 57538.256731 0.000179 35.48466 1.13154 1.00000 0 57538.257098 0.000188 33.93420 1.08446 1.00000 0 57538.257466 0.000179 35.65133 1.13718 1.00000 0 57538.257830 0.000185 34.67245 1.10507 1.00000 0 57538.258201 0.000185 34.46872 1.10369 1.00000 0 57538.258571 0.000185 34.62617 1.10686 1.00000 0 57538.258941 0.000185 34.19118 1.09931 1.00000 0 57538.259413 0.000286 34.40084 0.88820 0.99114 0