/* ** ** 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 57368.662265 0.000726 0.21281 0.04865 0.92000 1 57368.663630 0.000639 0.22570 0.05047 1.00000 1 57368.665039 0.000770 0.19050 0.04283 0.98113 1 57368.666550 0.000741 0.19506 0.04362 1.00000 1 57368.667886 0.000596 0.24275 0.05458 1.00000 1 57368.669048 0.000566 0.26836 0.05856 1.00000 1 57368.670515 0.000901 0.16242 0.03713 0.96774 1 57368.672142 0.000726 0.21093 0.04603 0.99985 1