/* ** ** 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 57870.241530 0.000799 0.18359 0.04106 0.98182 1 57870.243273 0.000944 0.15539 0.03475 0.98462 1 57870.245205 0.000988 0.15155 0.03389 0.97059 1 57870.247021 0.000828 0.18026 0.04053 0.96491 1 57870.248938 0.001089 0.13242 0.02978 1.00000 1 57870.251393 0.001365 0.13306 0.02661 0.98462 1 57870.905692 0.000799 0.19512 0.04388 0.93942 1 57870.907421 0.000930 0.16659 0.03725 0.93750 1 57870.909266 0.000915 0.15836 0.03541 1.00000 1 57870.911183 0.001002 0.15232 0.03424 0.94203 1 57870.913028 0.000842 0.18888 0.04246 0.91379 1 57870.914902 0.001031 0.21072 0.03889 0.99981 1