/* ** ** 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 54734.974955 0.000566 0.26175 0.05885 0.94872 1 54734.976219 0.000697 0.20586 0.04628 0.97917 1 54734.977570 0.000654 0.23095 0.05164 0.93333 1 54734.978717 0.000494 0.32625 0.07156 0.91176 1 54734.979850 0.000639 0.21949 0.04935 1.00000 1 54734.981216 0.000726 0.30421 0.05554 0.95441 1 54734.997208 0.000305 0.55819 0.12495 0.96262 1 54734.998748 0.001235 0.27647 0.04440 0.93639 1