/* ** ** 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 56519.776239 0.000764 0.53239 0.07765 0.91288 0 56519.777657 0.000648 0.52026 0.08381 0.89732 0 56519.779002 0.000697 0.59707 0.08466 0.93361 0 56519.780058 0.000359 0.48316 0.10607 0.93548 0 56519.780831 0.000414 0.52968 0.10389 0.91608 0 56519.781543 0.000298 0.53048 0.11864 0.98058 0 56519.782257 0.000417 0.53286 0.10349 0.94444 0 56519.783001 0.000327 0.51631 0.11767 0.91150 0 56519.783652 0.000324 0.51278 0.11467 0.92857 0 56519.784696 0.000720 0.42256 0.07139 0.90763 0