/* ** ** 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 57310.215536 0.000494 0.32592 0.07295 1.00000 1 57310.216407 0.000378 0.45173 0.10211 0.96154 1 57310.217148 0.000363 0.47939 0.10721 0.96000 1 57310.217889 0.000378 0.47570 0.10434 0.96154 1 57310.218673 0.000407 0.44500 0.09951 0.92857 1 57310.219559 0.000479 0.35666 0.08063 0.96970 1 57310.220780 0.000741 0.52746 0.07920 0.96246 1