/* ** ** 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 59731.220866 0.000188 35.15004 1.12729 1.00000 0 59731.221245 0.000191 33.82295 1.08941 1.00000 0 59731.221633 0.000197 32.98002 1.07299 1.00000 0 59731.222018 0.000188 34.86887 1.11957 1.00000 0 59731.222400 0.000194 33.43184 1.08019 1.00000 0 59731.222785 0.000191 33.95887 1.09581 1.00000 0 59731.223175 0.000200 32.45701 1.05422 1.00000 0 59731.223566 0.000191 34.58920 1.10791 1.00000 0 59731.223945 0.000188 34.59242 1.11069 1.00000 0 59731.224336 0.000203 32.00603 1.04314 1.00000 0 59731.224732 0.000194 33.72921 1.09410 1.00000 0 59731.225120 0.000194 33.53690 1.08331 1.00000 0 59731.225505 0.000191 34.35569 1.10179 1.00000 0 59731.225892 0.000197 33.29866 1.06613 1.00000 0 59731.226277 0.000188 34.58586 1.10699 1.00000 0 59731.226665 0.000200 32.96170 1.07182 1.00000 0 59731.227061 0.000197 33.45485 1.06787 1.00000 0 59731.227449 0.000191 33.42949 1.10422 1.00000 0 59731.227840 0.000200 32.62013 1.04850 1.00000 0 59731.228224 0.000185 34.69065 1.12678 1.00000 0 59731.228603 0.000194 33.76209 1.08127 1.00000 0 59731.229000 0.000203 31.96255 1.03679 1.00000 0 59731.229391 0.000188 34.76419 1.11744 1.00000 0 59731.229778 0.000200 32.63419 1.04262 1.00000 0 59731.230180 0.000203 32.11092 1.02941 1.00000 0 59731.230574 0.000191 33.53809 1.09770 1.00000 0 59731.230962 0.000197 32.93935 1.06651 1.00000 0 59731.231367 0.000208 31.46225 1.01053 1.00000 0 59731.231766 0.000191 34.44303 1.09885 1.00000 0 59731.232154 0.000197 32.80558 1.06666 1.00000 0 59731.232550 0.000200 32.38206 1.04381 1.00000 0 59731.233039 0.000289 33.95227 0.88584 1.00000 0