/* ** ** 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 56761.353861 0.000450 0.31613 0.07106 1.00000 1 56761.354646 0.000334 0.43234 0.09669 1.00000 1 56761.355561 0.000581 0.25284 0.05714 0.97500 1 56761.356766 0.000625 0.24999 0.05381 1.00000 1 56761.357928 0.000537 0.30052 0.06439 0.97297 1 56761.359178 0.000712 0.20452 0.04598 0.97959 1 56761.360311 0.000421 0.35558 0.07839 1.00000 1 56761.361502 0.000770 0.19184 0.04336 0.96226 1 56761.362896 0.000625 0.23060 0.05157 1.00000 1 56761.364044 0.000523 0.31949 0.06812 0.94466 1