/* ** ** 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 56238.653149 0.000494 1.35248 0.19192 1.00000 1 56238.654296 0.000654 1.09379 0.15639 0.95556 1 56238.655444 0.000494 1.47146 0.20513 0.97059 1 56238.656562 0.000625 1.08600 0.15484 1.00000 1 56238.657506 0.000320 0.85575 0.19395 1.00000 1 56238.658131 0.000305 0.87815 0.20037 1.00000 1 56238.659032 0.000596 1.19836 0.16913 0.97561 1 56238.660310 0.000683 1.01893 0.14643 0.97872 1 56238.661341 0.000349 0.87708 0.19391 0.91667 1 56238.662779 0.001089 1.26109 0.13337 0.90848 1