/* ** ** 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 58743.475997 0.000741 0.19693 0.04451 0.98039 1 58743.478001 0.001264 0.11564 0.02613 0.97701 1 58743.480209 0.000944 0.16245 0.03633 0.93846 1 58743.482141 0.000988 0.14988 0.03406 0.95588 1 58743.484160 0.001031 0.13894 0.03107 1.00000 1 58743.485714 0.000523 0.29156 0.06556 0.94444 1 58743.487893 0.001656 0.16726 0.02744 0.98079 1