/* ** ** 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 56569.227873 0.000463 0.35795 0.08053 0.94375 0 56569.228900 0.000564 0.53132 0.09159 0.90256 0 56569.229896 0.000431 0.37861 0.08664 0.93960 0 56569.230717 0.000391 0.42664 0.09540 0.93333 0 56569.231539 0.000431 0.38356 0.08677 0.93960 0 56569.232289 0.000318 0.52039 0.11908 0.91818 0 56569.233151 0.000544 0.30047 0.06999 0.92553 0 56569.234546 0.000851 0.44970 0.06772 0.90868 0