/* ** ** 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 59438.970956 0.000378 0.42696 0.09595 0.96154 1 59438.971653 0.000320 0.50832 0.11367 0.95455 1 59438.972496 0.000523 0.29576 0.06648 1.00000 1 59438.973527 0.000508 0.52021 0.09254 0.94286 1 59438.974413 0.000378 0.44761 0.09862 0.96154 1 59438.975110 0.000320 0.48709 0.11002 1.00000 1 59438.975909 0.000479 0.34123 0.07668 0.93939 1 59438.977071 0.000683 0.64569 0.08885 0.93827 1