/* ** ** 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 59417.183797 0.000552 0.65455 0.09257 1.00000 1 59417.184945 0.000596 0.60933 0.08654 1.00000 1 59417.186020 0.000479 0.77920 0.10956 1.00000 1 59417.187109 0.000610 0.65926 0.09290 0.92857 1 59417.188300 0.000581 0.62727 0.08929 1.00000 1 59417.189477 0.000596 0.62545 0.08921 0.97561 1 59417.190116 0.000044 1.28434 -1.00000 0.68324 1