/* ** ** 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 58303.044303 0.000848 2.97874 0.19870 0.93341 0 58303.110417 0.000590 2.38046 0.17020 0.97659 0 58303.111583 0.000576 2.43218 0.17536 0.96985 0 58303.112735 0.000576 2.40012 0.17185 0.97990 0 58303.113866 0.000550 2.59521 0.18699 0.94737 0 58303.115189 0.000773 2.39944 0.15068 0.95761 0