/* ** ** 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 57868.652258 0.000872 0.17799 0.03980 0.95000 1 57868.654785 0.001656 0.09166 0.02050 0.96491 1 57868.657545 0.001104 0.14388 0.03152 0.96053 1 57868.660101 0.001453 0.10456 0.02338 0.96000 1 57868.663064 0.001511 0.12981 0.02546 0.96646 1 57868.710374 0.001148 0.13114 0.02944 0.96626 1 57868.712901 0.001380 0.11017 0.02464 0.95789 1 57868.715879 0.001598 0.09274 0.02091 0.97273 1 57868.718799 0.001322 0.11681 0.02559 0.98098 1