/* ** ** 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 54951.038411 0.000712 5.34724 0.38660 0.97154 0 54951.039875 0.000752 5.41400 0.39045 0.93846 0 54951.041356 0.000729 5.49672 0.39466 0.95635 0 54951.042777 0.000692 5.63588 0.40988 0.95816 0 54951.044177 0.000709 5.61132 0.40693 0.94694 0 54951.045685 0.000799 5.07662 0.36490 0.93841 0 54951.047870 0.001386 5.27439 0.28556 0.90646 0