/* ** ** 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 58689.013863 0.000610 0.23638 0.05286 0.97619 1 58689.015331 0.000857 0.17427 0.03961 0.93220 1 58689.016899 0.000712 0.21145 0.04728 0.93878 1 58689.018279 0.000668 0.21272 0.04757 1.00000 1 58689.019499 0.000552 0.26503 0.05991 0.94737 1 58689.020995 0.000944 0.14904 0.03333 1.00000 1 58689.023334 0.001394 0.18791 0.03151 0.95644 1