/* ** ** 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 58458.078453 0.000886 0.17182 0.03907 0.95082 1 58458.080298 0.000959 0.15770 0.03546 0.95455 1 58458.082026 0.000741 0.20815 0.04680 0.94118 1 58458.083464 0.000668 0.22231 0.04971 0.97826 1 58458.085106 0.000973 0.14837 0.03318 1.00000 1 58458.086805 0.000726 0.20332 0.04546 0.98000 1 58458.088519 0.000988 0.21870 0.04061 0.97059 1