/* ** ** 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 56925.235053 0.000726 0.25550 0.05753 0.94000 1 56925.236476 0.000697 0.25465 0.05724 0.97917 1 56925.237842 0.000668 0.28347 0.06372 0.91304 1 56925.239105 0.000596 0.29607 0.06689 0.97561 1 56925.240514 0.000813 0.23580 0.05146 0.94643 1 56925.242141 0.000813 0.21968 0.04938 0.96429 1 56925.244029 0.001075 0.24934 0.04568 0.97072 1