/* ** ** 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 56688.403148 0.000639 0.22038 0.05008 1.00000 1 56688.404499 0.000712 0.21798 0.04875 0.93878 1 56688.405893 0.000683 0.21552 0.04871 0.97872 1 56688.407200 0.000625 0.23779 0.05317 0.97674 1 56688.408508 0.000683 0.21229 0.04747 1.00000 1 56688.409684 0.000494 0.30974 0.07000 0.94118 1 56688.410803 0.000625 0.24276 0.05429 0.95349 1 56688.411834 0.000407 0.36818 0.08320 0.96429 1 56688.413054 0.000813 0.23529 0.04653 0.98284 1