/* ** ** 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 58742.210022 0.001031 0.14534 0.03250 0.97183 1 58742.211968 0.000915 0.16341 0.03654 0.96825 1 58742.213610 0.000726 0.21830 0.04959 0.90000 1 58742.215367 0.001031 0.14404 0.03239 0.97183 1 58742.216980 0.000581 0.24795 0.05574 1.00000 1 58742.218113 0.000552 0.28154 0.06175 0.97368 1 58742.220437 0.001772 0.15300 0.02544 0.97722 1