/* ** ** 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 58554.220748 0.000350 3.88412 0.28242 0.97521 0 58554.221486 0.000382 3.66125 0.26435 0.95455 0 58554.222229 0.000362 3.70595 0.27039 0.99200 0 58554.222976 0.000385 3.58020 0.25948 0.96241 0 58554.223714 0.000353 3.82728 0.27811 0.99180 0 58554.224420 0.000353 3.88970 0.28770 0.95902 0 58554.225218 0.000446 3.99541 0.25577 0.96862 0