/* ** ** 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 56505.096678 0.000613 0.69674 0.09995 0.93396 0 56505.097896 0.000599 0.70655 0.10110 0.94203 0 56505.098834 0.000339 0.51183 0.11653 0.93162 0 56505.099734 0.000561 0.77424 0.11083 0.92784 0 56505.100608 0.000312 0.53697 0.12151 0.95370 0 56505.101224 0.000304 0.54266 0.12350 0.96190 0 56505.101834 0.000307 0.55383 0.12458 0.95283 0 56505.102810 0.000668 0.66087 0.09384 0.93074 0 56505.103834 0.000356 0.47491 0.10943 0.95122 0 56505.104878 0.000689 0.65630 0.09123 0.94958 0