/* ** ** 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 58494.104277 0.000388 22.63408 0.73269 1.00000 0 58494.105073 0.000408 21.69587 0.70385 1.00000 0 58494.105880 0.000399 22.02307 0.72174 1.00000 0 58494.106655 0.000376 23.33818 0.76136 1.00000 0 58494.107411 0.000379 23.39467 0.75609 1.00000 0 58494.108186 0.000396 22.26619 0.72765 1.00000 0 58494.108990 0.000408 21.67199 0.70654 1.00000 0 58494.109804 0.000405 22.02261 0.71606 1.00000 0 58494.110605 0.000396 22.75418 0.74255 1.00000 0 58494.111421 0.000420 21.71651 0.69640 1.00000 0 58494.112240 0.000399 22.61005 0.75144 1.00000 0 58494.113067 0.000428 21.50657 0.70350 1.00000 0 58494.113895 0.000399 23.09906 0.75611 1.00000 0 58494.114725 0.000431 21.10107 0.69697 1.00000 0 58494.115909 0.000752 21.05148 0.52189 1.00000 0