/* ** ** 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 57158.561993 0.000712 0.20708 0.04656 0.97959 1 57158.563155 0.000450 0.32620 0.07333 0.96774 1 57158.564041 0.000436 0.35169 0.07865 0.93333 1 57158.564942 0.000465 0.31773 0.07181 0.96875 1 57158.566249 0.000842 0.17956 0.04037 0.94828 1 57158.567716 0.000625 0.23758 0.05312 0.95349 1 57158.569038 0.000697 0.21375 0.04688 1.00000 1 57158.570142 0.000378 0.40847 0.09134 0.92308 1 57158.571144 0.000625 0.23183 0.05184 0.97674 1 57158.572408 0.000639 0.23098 0.05192 0.95455 1 57158.574006 0.000959 0.24007 0.04301 0.98249 1