/* ** ** 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 58018.530918 0.000944 0.16165 0.03615 0.93846 1 58018.532545 0.000683 0.21382 0.04781 0.97872 1 58018.534390 0.001162 0.12375 0.02767 1.00000 1 58018.537208 0.001656 0.12461 0.02398 0.93571 1 58018.587132 0.000857 0.16671 0.03728 0.99571 1 58018.589834 0.001845 0.12888 0.02301 0.96106 1 58018.655677 0.002644 0.09264 0.01646 0.96596 1 58018.735626 0.002556 0.15273 0.02645 0.96111 1