/* ** ** 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 56876.384750 0.000915 0.16446 0.03678 0.95238 1 56876.386697 0.001031 0.15127 0.03383 0.91549 1 56876.388730 0.000973 0.14882 0.03328 0.98507 1 56876.390808 0.001104 0.13917 0.03145 0.92105 1 56876.393872 0.001961 0.12943 0.02194 0.98189 1 56876.591259 0.000581 0.25117 0.05647 0.98809 1 56876.592711 0.000872 0.17349 0.03879 0.95000 1 56876.595036 0.001453 0.12309 0.02535 0.95601 1