/* ** ** Swift/XRT light curve for BL Lacertae. ** ** 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 57309.206189 0.000697 0.23696 0.05171 0.93750 1 57309.207526 0.000639 0.23190 0.05214 1.00000 1 57309.208659 0.000494 0.31919 0.07138 0.94118 1 57309.209647 0.000494 0.30065 0.06760 1.00000 1 57309.210881 0.000741 0.20429 0.04593 0.98039 1 57309.212261 0.000639 0.22811 0.05157 1.00000 1 57309.213685 0.000784 0.21199 0.04626 0.94444 1 57309.215137 0.000668 0.23411 0.05235 0.95652 1 57309.216561 0.000755 0.22751 0.04851 0.95740 1