/* ** ** 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 56421.976603 0.000622 0.64630 0.09162 0.94884 0 56421.977911 0.000686 0.59028 0.08449 0.94093 0 56421.978909 0.000312 0.50772 0.11491 0.96296 0 56421.979838 0.000616 0.50977 0.08422 0.92019 0 56421.980827 0.000373 0.43727 0.09837 0.93023 0 56421.981846 0.000645 0.63637 0.09044 0.92825 0 56421.983049 0.000558 0.76258 0.10863 0.89119 0 56421.983923 0.000315 0.51057 0.11697 0.92661 0 56421.984933 0.000694 0.57695 0.08199 0.95000 0 56421.986553 0.000926 0.58557 0.07358 0.90938 0