/* ** ** 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 57395.970762 0.000799 0.18162 0.04061 0.98182 1 57395.972345 0.000784 0.19584 0.04295 0.96296 1 57395.973943 0.000813 0.17683 0.04039 0.96429 1 57395.975483 0.000726 0.20627 0.04637 0.94000 1 57395.977197 0.000988 0.15666 0.03436 0.95588 1 57395.979710 0.001525 0.15947 0.02838 0.92522 1