/* ** ** 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 57008.088845 0.001220 0.11890 0.02701 0.97619 1 57008.090922 0.000857 0.17777 0.04017 0.93220 1 57008.092389 0.000610 0.23967 0.05387 0.97619 1 57008.093813 0.000813 0.17776 0.04017 0.98214 1 57008.095265 0.000639 0.22333 0.05020 1.00000 1 57008.096892 0.000988 0.14962 0.03346 0.97059 1 57008.098940 0.001060 0.16071 0.03443 0.92175 1