/* ** ** 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 54932.932077 0.000156 41.55116 1.32127 1.00000 0 54932.932381 0.000148 42.98329 1.37280 1.00000 0 54932.932679 0.000150 41.80622 1.33881 1.00000 0 54932.932977 0.000148 43.12930 1.37086 1.00000 0 54932.933261 0.000136 46.77444 1.49057 1.00000 0 54932.933541 0.000145 43.92408 1.40045 1.00000 0 54932.933837 0.000150 42.26031 1.35113 1.00000 0 54932.934137 0.000150 42.48793 1.35055 1.00000 0 54932.934424 0.000136 46.99376 1.49171 1.00000 0 54932.934713 0.000153 41.17678 1.31504 1.00000 0 54932.935014 0.000148 43.31450 1.37587 1.00000 0 54932.935315 0.000153 41.66372 1.32776 1.00000 0 54932.935616 0.000148 42.62596 1.36506 1.00000 0 54932.935943 0.000179 42.81709 1.25020 0.98629 0 54932.957861 0.000153 42.44470 1.34233 0.98489 0 54932.958186 0.000171 42.90121 1.27853 0.99176 0 54932.998732 0.000145 43.58892 1.38897 0.99200 0 54932.999019 0.000142 43.89388 1.39871 1.00000 0 54932.999305 0.000145 43.23404 1.37536 1.00000 0 54932.999713 0.000263 44.29676 1.03286 0.99114 0