/* ** ** 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 59951.912104 0.000668 1.03742 0.14675 0.91304 1 59951.913237 0.000465 1.43091 0.20445 0.90625 1 59951.914210 0.000479 1.33145 0.18879 0.96970 1 59951.915140 0.000450 1.35113 0.19260 1.00000 1 59951.916244 0.000654 0.94963 0.13332 1.00000 1 59951.917435 0.000537 1.14486 0.16401 0.97297 1 59951.918350 0.000378 0.79623 0.16518 0.96154 1 59951.919773 0.001046 1.03119 0.11075 0.98779 1