/* ** ** 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 54355.575187 0.000407 0.38001 0.08498 1.00000 1 54355.575942 0.000349 0.44769 0.10064 1.00000 1 54355.576799 0.000508 0.32346 0.07309 0.94286 1 54355.577743 0.000436 0.35150 0.07941 1.00000 1 54355.578571 0.000392 0.43689 0.09534 0.96296 1 54355.579632 0.000668 0.24097 0.05389 0.97826 1 54355.580954 0.000654 0.25503 0.05648 0.97778 1 54355.582246 0.000639 0.25495 0.05701 0.95455 1 54355.583452 0.000566 0.37521 0.07277 0.98244 1