/* ** ** 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 59745.247610 0.000596 0.62075 0.08729 0.97561 1 59745.248627 0.000421 0.83720 0.11891 1.00000 1 59745.249556 0.000508 0.71700 0.10162 0.97143 1 59745.250675 0.000610 0.58619 0.08260 1.00000 1 59745.251938 0.000654 0.55080 0.07806 0.97778 1 59745.253115 0.000523 0.67310 0.09540 1.00000 1 59745.253943 0.000305 0.46012 0.10344 1.00000 1 59745.254902 0.000654 0.54931 0.07708 1.00000 1 59745.256006 0.000450 0.47177 0.08916 0.93548 1 59745.257037 0.000581 0.65494 0.08996 0.98296 1