/* ** ** 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 59446.855440 0.000378 0.40729 0.09204 0.96154 1 59446.856137 0.000320 0.50623 0.11103 0.95455 1 59446.856747 0.000291 0.50562 0.11366 1.00000 1 59446.857372 0.000334 0.46285 0.10404 0.95652 1 59446.858084 0.000378 0.39176 0.08854 1.00000 1 59446.859144 0.000683 0.38125 0.06680 0.93242 1