/* ** ** 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 56231.640111 0.000508 1.18710 0.16789 1.00000 1 56231.641143 0.000523 1.19161 0.17036 0.94444 1 56231.642203 0.000537 1.18468 0.16635 0.94595 1 56231.643220 0.000479 1.24124 0.17474 1.00000 1 56231.644396 0.000697 0.97208 0.13551 0.89583 1 56231.645631 0.000537 1.24299 0.17044 0.94595 1 56231.646677 0.000508 1.41776 0.18195 0.99812 1