/* ** ** 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 56660.591774 0.000537 0.37539 0.08233 0.86486 1 56660.593009 0.000697 0.24751 0.05535 0.95833 1 56660.594375 0.000668 0.25122 0.05677 0.97826 1 56660.595740 0.000697 0.23712 0.05330 1.00000 1 56660.597222 0.000784 0.22711 0.05079 0.94444 1 56660.598747 0.000741 0.24387 0.05482 0.92157 1 56660.600257 0.000770 0.22200 0.04964 0.98113 1 56660.602247 0.001220 0.22351 0.04095 0.91853 1