/* ** ** Swift/XRT light curve for Mrk 501. ** ** 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 58691.994067 0.000518 2.64921 0.19170 0.97207 0 58691.995051 0.000466 3.00724 0.21689 0.94410 0 58691.995956 0.000440 3.03483 0.21921 0.98684 0 58691.996914 0.000518 2.65276 0.19250 0.95531 0 58691.997953 0.000521 2.59510 0.18802 0.97222 0 58691.999151 0.000677 2.73297 0.16979 0.96382 0