/* ** ** 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 57718.095187 0.000842 0.16617 0.03735 1.00000 1 57718.096785 0.000755 0.19015 0.04252 0.98077 1 57718.098223 0.000683 0.21502 0.04764 1.00000 1 57718.099472 0.000566 0.27064 0.05906 0.97436 1 57718.100620 0.000581 0.25501 0.05733 0.95000 1 57718.101956 0.000755 0.19344 0.04348 0.96154 1 57718.104121 0.001409 0.19227 0.03170 0.96834 1