/* ** ** 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 59416.517523 0.000639 0.56550 0.08050 0.97727 1 59416.518627 0.000465 0.76147 0.10793 1.00000 1 59416.519659 0.000566 0.66570 0.09401 0.94872 1 59416.520777 0.000552 0.67712 0.09661 0.94737 1 59416.521954 0.000625 0.59503 0.08434 0.95349 1 59416.523188 0.000610 0.65129 0.08818 0.98278 1