/* ** ** 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 56713.482181 0.000494 0.30367 0.06791 0.97059 1 56713.483358 0.000683 0.23381 0.05257 0.91489 1 56713.484883 0.000842 0.18040 0.04077 0.94828 1 56713.486365 0.000639 0.25306 0.05636 0.93182 1 56713.487585 0.000581 0.25072 0.05636 1.00000 1 56713.488529 0.000363 0.40053 0.09004 1.00000 1 56713.489735 0.000842 0.18016 0.04071 0.94828 1 56713.491115 0.000537 0.33814 0.06963 0.94974 1