/* ** ** 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 55768.942371 0.000349 0.45088 0.09938 0.95833 1 55768.943126 0.000407 0.47165 0.09148 1.00000 1 55768.943969 0.000436 0.36456 0.08152 0.90000 1 55768.945116 0.000712 0.43539 0.07010 0.89508 1 55768.989898 0.000407 0.49150 0.11078 0.92467 1 55768.990755 0.000450 0.47415 0.10659 1.00000 1 55768.991946 0.000741 0.27835 0.06290 1.00000 1 55768.993312 0.000625 0.34811 0.07909 0.95349 1 55768.994634 0.000697 0.31069 0.06849 1.00000 1 55768.995926 0.000596 0.36524 0.08210 0.97561 1 55768.997175 0.000654 0.33394 0.07547 0.95556 1 55768.998919 0.001031 0.28218 0.05431 0.98531 1