/* ** ** 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 59239.629230 0.000305 4.37075 0.63177 1.00000 1 59239.630639 0.001104 5.00371 0.35416 0.98684 1 59239.632455 0.000712 4.59124 0.42152 1.00000 1 59239.634242 0.001075 4.95826 0.35691 1.00000 1 59239.635651 0.000334 4.28248 0.59288 1.00000 1 59239.636944 0.000959 5.70985 0.40825 0.98485 1 59239.639166 0.001264 5.46431 0.35068 0.96620 1