/* ** ** 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 59452.243980 0.000726 0.89306 0.12538 0.92000 1 59452.245200 0.000494 0.80103 0.14677 0.91176 1 59452.246246 0.000552 0.79546 0.13728 0.92105 1 59452.247233 0.000436 0.58259 0.13236 0.93333 1 59452.248337 0.000668 0.94904 0.13373 0.95652 1 59452.249340 0.000334 0.71216 0.16094 1.00000 1 59452.250051 0.000378 0.68303 0.15356 0.92308 1 59452.250749 0.000320 0.74954 0.16938 1.00000 1 59452.251911 0.000842 0.68310 0.10207 0.93242 1