/* ** ** 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 54741.003396 0.000378 0.37225 0.08324 1.00000 1 54741.004747 0.000973 0.25927 0.05797 0.55776 1 54741.006199 0.000479 0.29512 0.06599 1.00000 1 54741.007158 0.000479 0.28882 0.06564 1.00000 1 54741.007971 0.000334 0.47947 0.10323 0.95652 1 54741.008639 0.000334 0.43996 0.09838 0.95652 1 54741.009584 0.000581 0.25313 0.05552 1.00000 1 54741.010818 0.000654 0.23098 0.05040 0.97778 1 54741.011951 0.000479 0.30510 0.06823 0.96970 1 54741.013128 0.000697 0.20932 0.04706 0.95833 1