/* ** ** 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 56417.174010 0.000347 0.61072 0.14023 0.90833 0 56417.175048 0.000692 0.63415 0.09159 0.93724 0 56417.176099 0.000359 0.54442 0.12029 0.91935 0 56417.176811 0.000353 0.50031 0.11187 0.95902 0 56417.177511 0.000347 0.52095 0.11724 0.94167 0 56417.178385 0.000527 0.82993 0.11827 0.96154 0 56417.179452 0.000541 0.84920 0.12072 0.91979 0 56417.180303 0.000310 0.55876 0.12655 0.96262 0 56417.181012 0.000399 0.58058 0.11499 0.94928 0 56417.181718 0.000307 0.58159 0.13173 0.95283 0 56417.182624 0.000599 0.78371 0.11169 0.89855 0 56417.184227 0.000998 0.75204 0.08281 0.94203 0