/* ** ** 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 56648.042637 0.000639 0.24753 0.05330 0.97727 1 56648.043712 0.000436 0.32851 0.07425 0.96667 1 56648.044540 0.000392 0.35232 0.07962 1.00000 1 56648.045426 0.000494 0.30534 0.06937 0.91176 1 56648.046384 0.000465 0.32626 0.07120 0.96875 1 56648.047401 0.000552 0.26695 0.05969 0.94737 1 56648.048403 0.000450 0.30844 0.06933 1.00000 1 56648.049318 0.000465 0.33584 0.07366 0.93750 1 56648.050204 0.000421 0.33980 0.07679 0.96552 1 56648.051047 0.000421 0.34340 0.07720 0.96552 1 56648.051904 0.000436 0.33127 0.07447 0.96667 1 56648.052688 0.000349 0.40037 0.08952 1.00000 1 56648.053937 0.000901 0.28401 0.04801 0.95859 1