/* ** ** 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 59746.199547 0.000327 19.27340 0.62446 1.00000 0 59746.200204 0.000330 19.35022 0.62368 1.00000 0 59746.200864 0.000330 19.14546 0.61971 1.00000 0 59746.201529 0.000336 18.96663 0.61476 1.00000 0 59746.202183 0.000318 19.83133 0.64000 1.00000 0 59746.202831 0.000330 19.62911 0.62841 0.99123 0 59746.203476 0.000315 20.08422 0.64419 1.00000 0 59746.204116 0.000324 19.60981 0.63489 1.00000 0 59746.204773 0.000333 19.02528 0.61733 1.00000 0 59746.205435 0.000330 19.15905 0.62082 1.00000 0 59746.206084 0.000318 20.06912 0.63897 1.00000 0 59746.206700 0.000298 21.19041 0.68274 1.00000 0 59746.207345 0.000347 17.97274 0.59117 1.00000 0 59746.208025 0.000333 18.87818 0.61416 1.00000 0 59746.208708 0.000350 18.01948 0.58088 1.00000 0 59746.209388 0.000330 19.17827 0.61627 1.00000 0 59746.210042 0.000324 19.44269 0.63254 1.00000 0 59746.210722 0.000356 20.12714 0.61329 1.00000 0