/* ** ** 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 57232.204310 0.000625 0.26900 0.06047 0.88372 1 57232.205399 0.000465 0.36079 0.07729 0.96875 1 57232.206358 0.000494 0.30954 0.06960 0.97059 1 57232.207360 0.000508 0.33385 0.07118 0.97143 1 57232.208537 0.000668 0.22507 0.05088 0.97826 1 57232.209771 0.000566 0.26651 0.05960 0.97436 1 57232.210933 0.000596 0.25388 0.05708 0.97561 1 57232.212139 0.000610 0.26046 0.05824 0.92857 1 57232.213257 0.000479 0.32504 0.07307 0.93939 1 57232.214144 0.000407 0.41321 0.08810 0.95657 1