/* ** ** 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 56674.181974 0.000537 0.31394 0.07068 0.94595 1 56674.183122 0.000610 0.27839 0.06137 0.97619 1 56674.184458 0.000726 0.22979 0.05167 0.96000 1 56674.185998 0.000813 0.20542 0.04505 1.00000 1 56674.187465 0.000654 0.24304 0.05435 1.00000 1 56674.188685 0.000566 0.29644 0.06629 0.94872 1 56674.190806 0.001554 0.20355 0.03311 0.95390 1