/* ** ** 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 56702.682891 0.000842 0.16703 0.03816 0.98276 1 56702.684300 0.000566 0.25097 0.05703 0.97436 1 56702.685578 0.000712 0.21181 0.04622 0.97959 1 56702.687278 0.000988 0.14578 0.03295 0.97059 1 56702.689151 0.000886 0.16440 0.03736 0.95082 1 56702.691868 0.001830 0.16354 0.02600 0.93490 1