/* ** ** 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 57250.080117 0.000726 0.20938 0.04809 0.92000 1 57250.081250 0.000407 0.38172 0.08582 0.92857 1 57250.082267 0.000581 0.25655 0.05798 0.95000 1 57250.083400 0.000552 0.26481 0.06017 0.97368 1 57250.084358 0.000407 0.38592 0.08814 0.89286 1 57250.085462 0.000697 0.22123 0.04998 0.93750 1 57250.086683 0.000523 0.29908 0.06724 0.91667 1 57250.087627 0.000421 0.34231 0.07737 1.00000 1 57250.088644 0.000596 0.24840 0.05555 0.97561 1 57250.090430 0.001191 0.18789 0.03467 0.97326 1