/* ** ** 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 57694.177762 0.000697 0.21648 0.04724 1.00000 1 57694.179055 0.000596 0.26753 0.05869 0.95122 1 57694.180304 0.000654 0.23142 0.05103 1.00000 1 57694.181829 0.000872 0.17649 0.03851 0.98333 1 57694.183398 0.000697 0.20905 0.04700 0.97917 1 57694.184618 0.000523 0.27457 0.06173 1.00000 1 57694.186652 0.001511 0.14588 0.02702 0.96869 1