/* ** ** 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 58688.019186 0.000784 0.20099 0.04408 0.94444 1 58688.020595 0.000625 0.24422 0.05520 0.93023 1 58688.022004 0.000784 0.19448 0.04420 0.92593 1 58688.023572 0.000784 0.19463 0.04352 0.94444 1 58688.025156 0.000799 0.17845 0.04033 1.00000 1 58688.027915 0.001961 0.15156 0.02441 0.93410 1