/* ** ** 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 59949.542189 0.000683 0.60755 0.08594 0.97872 1 59949.543496 0.000625 0.56124 0.08924 0.95349 1 59949.544760 0.000639 0.65047 0.09321 0.97727 1 59949.545718 0.000320 0.53346 0.11995 0.95455 1 59949.546357 0.000320 0.52690 0.11681 1.00000 1 59949.547011 0.000334 0.53252 0.11621 0.95652 1 59949.547941 0.000596 0.71488 0.10077 0.97561 1 59949.548870 0.000334 0.50624 0.11104 1.00000 1 59949.549539 0.000334 0.51383 0.11491 0.95652 1 59949.550613 0.000741 0.63676 0.08593 0.97720 1