/* ** ** 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 56765.947738 0.000596 0.25277 0.05682 0.95122 1 56765.948842 0.000508 0.29845 0.06579 1.00000 1 56765.949830 0.000479 0.31906 0.07173 0.93939 1 56765.950948 0.000639 0.22457 0.05049 1.00000 1 56765.952052 0.000465 0.31043 0.06942 1.00000 1 56765.953156 0.000639 0.24933 0.05576 0.90909 1 56765.954420 0.000625 0.22835 0.05161 1.00000 1 56765.955568 0.000523 0.27643 0.06182 1.00000 1 56765.956570 0.000479 0.30026 0.06751 1.00000 1 56765.958037 0.000988 0.26297 0.04472 0.97281 1