/* ** ** 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 58744.532348 0.000872 0.21987 0.04827 0.96667 1 58744.533888 0.000668 0.26211 0.05923 0.97826 1 58744.535311 0.000755 0.23316 0.05241 0.98077 1 58744.536793 0.000726 0.24034 0.05374 1.00000 1 58744.538550 0.001031 0.17409 0.03934 0.95775 1 58744.540221 0.000639 0.28465 0.06399 0.95455 1 58744.542298 0.001438 0.23212 0.03817 0.98098 1