/* ** ** 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 56644.985224 0.000523 0.30152 0.06819 0.97222 1 56644.986342 0.000596 0.28108 0.06390 0.92683 1 56644.987431 0.000494 0.32980 0.07376 0.97059 1 56644.988448 0.000523 0.33764 0.07564 0.91667 1 56644.989668 0.000697 0.22918 0.05180 0.97917 1 56644.990830 0.000465 0.36253 0.08201 0.93750 1 56644.992167 0.000872 0.26196 0.04972 0.96862 1