/* ** ** 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 56719.476099 0.000639 0.22131 0.04975 1.00000 1 56719.477218 0.000479 0.30066 0.06830 0.96970 1 56719.478148 0.000450 0.34471 0.07384 1.00000 1 56719.479498 0.000901 0.16538 0.03698 0.95161 1 56719.481169 0.000770 0.21131 0.04750 0.86792 1 56719.482447 0.000508 0.29567 0.06611 0.94286 1 56719.483580 0.000625 0.24895 0.05596 0.90698 1 56719.484742 0.000537 0.26964 0.06061 0.97297 1 56719.486049 0.000741 0.27313 0.05162 0.98358 1