/* ** ** 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 56681.517507 0.000654 0.22142 0.04951 0.97778 1 56681.518596 0.000436 0.32657 0.07343 1.00000 1 56681.519541 0.000508 0.27731 0.06234 1.00000 1 56681.520659 0.000610 0.23533 0.05318 0.97619 1 56681.521865 0.000596 0.24934 0.05636 0.95122 1 56681.523230 0.000770 0.19195 0.04316 0.96226 1 56681.524407 0.000407 0.36590 0.08183 0.96429 1 56681.525220 0.000407 0.35454 0.07928 1.00000 1 56681.526397 0.000770 0.20767 0.04532 0.94340 1 56681.527806 0.000639 0.24378 0.05347 0.95410 1