/* ** ** 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 56852.668963 0.001162 0.20472 0.04492 0.98750 1 56852.671229 0.001104 0.20672 0.04623 1.00000 1 56852.673539 0.001206 0.19298 0.04317 0.97590 1 56852.675964 0.001220 0.18613 0.04184 0.98810 1 56852.678637 0.001453 0.16872 0.03793 0.92000 1 56852.681513 0.001423 0.16929 0.03827 0.93878 1 56852.683808 0.000872 0.30559 0.06462 0.97846 1