/* ** ** 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 59869.806503 0.000639 0.74526 0.10607 0.75024 1 59869.807810 0.000668 0.56183 0.07933 0.97826 1 59869.808871 0.000392 0.92687 0.13165 1.00000 1 59869.809786 0.000523 0.72858 0.10089 1.00000 1 59869.810817 0.000508 0.70720 0.10087 1.00000 1 59869.811863 0.000537 0.71402 0.10120 0.94595 1 59869.812923 0.000523 0.70983 0.10082 0.97222 1 59869.813954 0.000508 0.73323 0.10436 0.97143 1 59869.815044 0.000581 0.63442 0.08959 1.00000 1 59869.816482 0.000857 0.75336 0.10906 0.55119 1 59869.819910 0.002571 0.63729 0.07710 0.31779 1