/* ** ** 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 55012.089801 0.000334 0.47544 0.10638 0.91304 1 55012.090483 0.000349 0.41427 0.09313 1.00000 1 55012.091195 0.000363 0.45962 0.09800 0.96000 1 55012.091921 0.000363 0.43300 0.09786 0.92000 1 55012.092589 0.000305 0.47507 0.10623 1.00000 1 55012.093200 0.000305 0.47307 0.10634 1.00000 1 55012.093824 0.000320 0.47404 0.10396 1.00000 1 55012.094536 0.000392 0.39954 0.08934 0.92593 1 55012.095582 0.000654 0.56332 0.07921 1.00000 1 55012.096904 0.000668 0.48763 0.07351 0.97826 1 55012.097891 0.000320 0.47374 0.10390 1.00000 1 55012.099431 0.001220 0.59466 0.06020 0.97603 1