/* ** ** 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 59134.888167 0.000450 0.31835 0.07119 1.00000 1 59134.888980 0.000363 0.42051 0.09185 1.00000 1 59134.889692 0.000349 0.42359 0.09572 0.95833 1 59134.890360 0.000320 0.44164 0.09928 1.00000 1 59134.891290 0.000610 0.25025 0.05656 0.92857 1 59134.892263 0.000363 0.40872 0.09140 0.96000 1 59134.893047 0.000392 0.39390 0.08479 1.00000 1 59134.893817 0.000378 0.39798 0.08685 1.00000 1 59134.894761 0.000566 0.39264 0.07318 0.92917 1