/* ** ** 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 57898.283235 0.000587 2.98678 0.21696 0.96059 0 57898.284332 0.000509 3.57244 0.25931 0.92614 0 57898.285391 0.000550 3.14046 0.22642 0.97895 0 57898.286519 0.000579 2.93757 0.21444 0.97500 0 57898.287604 0.000506 3.49124 0.25419 0.94857 0 57898.288661 0.000550 3.22814 0.23041 0.97895 0 57898.290087 0.000877 3.43265 0.18980 0.96700 0