/* ** ** 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 56237.586740 0.000581 1.08968 0.15540 0.97500 1 56237.587931 0.000610 1.16319 0.15803 0.95238 1 56237.589166 0.000625 1.00334 0.14347 0.97674 1 56237.590400 0.000581 0.82656 0.13283 1.00000 1 56237.591504 0.000523 1.17854 0.16808 1.00000 1 56237.592550 0.000523 1.21672 0.17350 0.97222 1 56237.593669 0.000596 1.09315 0.15588 0.95122 1 56237.594845 0.000581 1.06663 0.15208 1.00000 1 56237.595905 0.000479 1.32065 0.18882 0.96970 1 56237.597140 0.000755 1.17852 0.14546 0.93400 1