/* ** ** 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 58744.926381 0.000349 0.44819 0.10028 1.00000 1 58744.927165 0.000436 0.35715 0.08028 1.00000 1 58744.927979 0.000378 0.41134 0.09249 1.00000 1 58744.929039 0.000683 0.25895 0.05708 0.91489 1 58744.930288 0.000566 0.28709 0.06488 0.94872 1 58744.931349 0.000494 0.32532 0.07275 0.97059 1 58744.932322 0.000479 0.34729 0.07766 0.93939 1 58744.933339 0.000537 0.31348 0.06842 0.97297 1 58744.934239 0.000363 0.47124 0.10285 0.96000 1 58744.934646 0.000044 0.95413 -1.00000 0.91971 1