/* ** ** 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 58742.679296 0.000741 0.19857 0.04464 0.96078 1 58742.681170 0.001133 0.12596 0.02862 0.98718 1 58742.683189 0.000886 0.17021 0.03826 0.95082 1 58742.685106 0.001031 0.13846 0.03096 1.00000 1 58742.687052 0.000915 0.15796 0.03532 0.98413 1 58742.689071 0.001104 0.13072 0.02955 0.97368 1 58742.691599 0.001423 0.16639 0.02942 0.95691 1