/* ** ** 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 56305.174409 0.000969 1.47119 0.10651 0.96119 0 56305.176388 0.001010 1.41958 0.10106 0.97135 0 56305.178214 0.000816 1.72758 0.12508 0.96809 0 56305.179933 0.000903 1.59566 0.11400 0.96154 0 56305.181727 0.000891 1.63252 0.11704 0.95779 0 56305.183669 0.001050 1.44725 0.10222 0.94490 0