/* ** ** 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 56768.545877 0.001046 0.23567 0.05390 0.97222 1 56768.548796 0.001874 0.22790 0.04007 0.94406 1 56768.678683 0.000479 0.30084 0.06835 0.98834 1 56768.679743 0.000581 0.26371 0.05990 0.92500 1 56768.680934 0.000610 0.24113 0.05392 0.97619 1 56768.681951 0.000407 0.37663 0.08510 0.92857 1 56768.682983 0.000625 0.26466 0.05949 0.86047 1 56768.684188 0.000581 0.28669 0.06230 0.92500 1 56768.685379 0.000610 0.23860 0.05363 0.97619 1 56768.686352 0.000334 0.44412 0.09789 1.00000 1 56768.687021 0.000334 0.44616 0.09785 1.00000 1 56768.688459 0.001104 0.22427 0.03894 0.96779 1