/* ** ** 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 57052.954751 0.000930 0.16413 0.03710 0.92188 1 57052.956276 0.000596 0.24414 0.05459 0.97561 1 57052.957453 0.000581 0.24740 0.05591 0.97500 1 57052.958615 0.000581 0.25450 0.05721 0.95000 1 57052.960038 0.000842 0.18024 0.04030 0.93103 1 57052.961607 0.000726 0.19748 0.04439 0.98000 1 57052.963466 0.001104 0.18417 0.03521 0.96166 1