/* ** ** 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 59291.917857 0.000394 19.40157 0.63896 1.00000 0 59291.918658 0.000408 20.35806 0.66018 1.00000 0 59291.919503 0.000437 20.00920 0.65665 0.98675 0 59291.920348 0.000408 21.11366 0.69642 1.00000 0 59291.921190 0.000434 19.67350 0.63684 1.00000 0 59291.922046 0.000422 19.94931 0.65776 1.00000 0 59291.922888 0.000420 20.34582 0.66141 1.00000 0 59291.923725 0.000417 20.54541 0.66806 1.00000 0 59291.924905 0.000764 20.04462 0.48475 0.99498 0