/* ** ** 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 59842.307716 0.000450 0.40332 0.09020 0.90323 1 59842.308500 0.000334 0.54002 0.11785 0.95652 1 59842.309183 0.000349 0.54351 0.11387 1.00000 1 59842.309851 0.000320 0.54891 0.12407 0.95455 1 59842.310737 0.000566 0.31014 0.06936 0.94872 1 59842.311739 0.000436 0.40733 0.09207 0.93333 1 59842.313032 0.000857 0.37260 0.06430 0.90069 1