/* ** ** 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 59196.122097 0.000324 24.37648 0.80290 1.00000 0 59196.122774 0.000353 23.71271 0.76858 1.00000 0 59196.123443 0.000315 25.27079 0.81996 1.00000 0 59196.124065 0.000307 26.88911 0.87962 1.00000 0 59196.124684 0.000312 25.77274 0.85157 1.00000 0 59196.125323 0.000327 25.29456 0.83022 1.00000 0 59196.125974 0.000324 25.22295 0.81809 1.00000 0 59196.126614 0.000315 25.77273 0.83711 1.00000 0 59196.127230 0.000301 26.77412 0.86889 1.00000 0 59196.127838 0.000307 25.93890 0.83994 1.00000 0 59196.128437 0.000292 27.92781 0.89687 1.00000 0 59196.129047 0.000318 25.49399 0.82507 1.00000 0 59196.129672 0.000307 26.81385 0.86499 1.00000 0 59196.130300 0.000321 25.32031 0.82177 1.00000 0 59196.130937 0.000315 26.13808 0.84647 1.00000 0 59196.131597 0.000344 25.76054 0.79958 1.00000 0