/* ** ** 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 58743.871374 0.001017 0.15780 0.03478 0.97143 1 58743.873364 0.000973 0.15729 0.03536 0.97015 1 58743.875049 0.000683 0.21909 0.04925 1.00000 1 58743.876225 0.000494 0.31236 0.06985 0.97059 1 58743.877867 0.001118 0.13742 0.03073 0.97403 1 58743.879900 0.000915 0.17081 0.03819 0.95238 1 58743.882747 0.001932 0.15003 0.02467 0.96026 1