/* ** ** 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 58743.808186 0.000828 0.23545 0.05374 0.98246 1 58743.810264 0.001249 0.16456 0.03629 0.94186 1 58743.812559 0.001046 0.18922 0.04233 0.94444 1 58743.814490 0.000886 0.21141 0.04729 0.98361 1 58743.816640 0.001264 0.14727 0.03311 1.00000 1 58743.819720 0.001816 0.17194 0.03013 0.96843 1