/* ** ** 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 57360.138363 0.000523 0.30024 0.06714 0.97222 1 57360.139409 0.000523 0.30287 0.06772 0.94444 1 57360.140600 0.000668 0.22883 0.05117 0.97826 1 57360.141893 0.000625 0.24295 0.05492 0.97674 1 57360.143200 0.000683 0.21790 0.04899 1.00000 1 57360.144348 0.000465 0.33030 0.07426 0.96875 1 57360.145452 0.000639 0.23838 0.05359 0.97727 1 57360.146992 0.000901 0.27080 0.04864 0.95307 1