/* ** ** Swift/XRT light curve for M87. ** ** 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 57846.364948 0.000755 1.61531 0.25966 0.55769 1 57846.366531 0.000828 1.53385 0.25363 0.51388 1 57846.368376 0.000988 1.48693 0.24126 0.46004 1 57846.370192 0.000770 1.36438 0.22372 0.62758 1 57846.371935 0.000944 1.42716 0.23329 0.49818 1 57846.373867 0.000988 1.64694 0.22764 0.55835 1