/* ** ** 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 59436.976412 0.000581 1.10019 0.15525 0.97500 1 59436.977603 0.000610 1.03050 0.14725 1.00000 1 59436.978808 0.000596 1.05200 0.15115 0.97561 1 59436.979723 0.000320 0.77089 0.17465 1.00000 1 59436.980668 0.000625 1.02659 0.14635 0.97674 1 59436.981960 0.000668 1.12517 0.14779 0.97826 1