/* ** ** 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 59672.002890 0.000305 11.29830 0.99666 0.99892 1 59672.004188 0.000477 13.03908 0.42352 1.00000 0 59672.005125 0.000460 13.55584 0.43790 1.00000 0 59672.006074 0.000489 12.96326 0.41441 0.99408 0 59672.007455 0.000891 13.05165 0.30925 0.99774 0 59672.648210 0.000472 14.81885 0.47600 0.99443 0 59672.649136 0.000454 14.97546 0.48445 1.00000 0 59672.650487 0.000897 15.00789 0.34514 0.99496 0