/* ** ** 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 57326.100795 0.000552 0.30794 0.06892 1.00000 1 57326.101870 0.000523 0.33913 0.07668 0.97222 1 57326.103148 0.000755 0.23891 0.05401 0.96154 1 57326.104761 0.000857 0.19996 0.04545 1.00000 1 57326.106417 0.000799 0.23065 0.05158 0.94545 1 57326.108073 0.000857 0.20531 0.04616 0.98305 1 57326.110353 0.001423 0.19182 0.03502 0.95918 1