/* ** ** 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 57365.131983 0.000930 0.15696 0.03529 0.98438 1 57365.133378 0.000465 0.31373 0.07016 1.00000 1 57365.134482 0.000639 0.22587 0.05051 1.00000 1 57365.135934 0.000813 0.18573 0.04176 0.94643 1 57365.137590 0.000842 0.17379 0.03950 0.96552 1 57365.139159 0.000726 0.20985 0.04692 0.94000 1 57365.140568 0.000683 0.21278 0.04836 0.97872 1 57365.142137 0.000886 0.19894 0.04079 0.97975 1