/* ** ** 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 58743.204037 0.000799 0.20104 0.04522 0.94545 1 58743.205504 0.000668 0.24294 0.05432 0.93478 1 58743.206957 0.000784 0.19308 0.04317 1.00000 1 58743.208642 0.000901 0.17710 0.03960 0.95161 1 58743.210821 0.001278 0.11830 0.02645 1.00000 1 58743.212724 0.000625 0.24241 0.05420 1.00000 1 58743.215338 0.001990 0.14674 0.02426 0.95541 1