/* ** ** 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 57931.766981 0.001467 0.16986 0.03841 0.98020 1 57931.770321 0.001874 0.18688 0.03490 0.96707 1 57931.909374 0.000407 0.35585 0.07957 0.98546 1 57931.910376 0.000596 0.23704 0.05329 1.00000 1 57931.911785 0.000813 0.18728 0.04210 0.92857 1 57931.913935 0.001336 0.20155 0.03369 0.94755 1 57931.972574 0.000537 0.26977 0.06064 0.99472 1 57931.973707 0.000596 0.24947 0.05579 0.97561 1 57931.974927 0.000625 0.23603 0.05278 0.97674 1 57931.976292 0.000741 0.19546 0.04394 1.00000 1 57931.978791 0.001758 0.17403 0.02774 0.93625 1