/* ** ** 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 57423.109997 0.000668 0.25047 0.05601 0.84783 1 57423.111624 0.000959 0.15416 0.03447 0.96970 1 57423.113221 0.000639 0.22497 0.05057 0.97727 1 57423.114587 0.000726 0.20864 0.04666 0.94000 1 57423.116054 0.000741 0.18996 0.04270 1.00000 1 57423.117434 0.000639 0.23369 0.05226 0.95455 1 57423.119801 0.001729 0.15385 0.02595 0.95800 1