/* ** ** 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 57161.901127 0.000842 0.23755 0.05315 0.94828 1 57161.902928 0.000959 0.21299 0.04789 0.92424 1 57161.904831 0.000944 0.20929 0.04756 0.95385 1 57161.906865 0.001089 0.17652 0.03948 0.97333 1 57161.908477 0.000523 0.38383 0.08586 0.94444 1 57161.910380 0.001380 0.19981 0.03861 0.93486 1