/* ** ** 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 57045.176350 0.000552 0.25881 0.05787 1.00000 1 57045.177527 0.000625 0.23066 0.05185 0.97674 1 57045.178776 0.000625 0.22069 0.05042 1.00000 1 57045.179967 0.000566 0.26249 0.05901 0.94872 1 57045.180955 0.000421 0.33573 0.07507 1.00000 1 57045.181957 0.000581 0.24900 0.05598 0.97500 1 57045.183076 0.000537 0.27675 0.06188 0.94595 1 57045.184426 0.000813 0.17982 0.04043 0.96429 1 57045.186344 0.001104 0.23089 0.03985 0.93421 1