/* ** ** 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 57923.457539 0.000697 0.21311 0.04816 0.95833 1 57923.459050 0.000813 0.18040 0.04034 0.98214 1 57923.460662 0.000799 0.18769 0.04242 0.96364 1 57923.462246 0.000784 0.19411 0.04410 0.92593 1 57923.464018 0.000988 0.15234 0.03425 0.95588 1 57923.466095 0.001089 0.13367 0.02989 0.98667 1 57923.467969 0.000755 0.19862 0.04442 0.96011 1