/* ** ** 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 57346.575896 0.000537 0.30219 0.06475 0.94595 1 57346.576854 0.000421 0.33240 0.07473 1.00000 1 57346.577813 0.000537 0.26221 0.05896 1.00000 1 57346.578772 0.000421 0.46171 0.09131 0.93103 1 57346.579629 0.000436 0.34686 0.07756 0.93333 1 57346.580573 0.000508 0.28483 0.06369 0.97143 1 57346.581575 0.000494 0.29388 0.06608 0.97059 1 57346.583042 0.000973 0.26524 0.04497 0.95608 1