/* ** ** 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 59662.503471 0.000915 1.62916 0.24287 0.57143 1 59662.505011 0.000625 1.76713 0.26972 0.74419 1 59662.506493 0.000857 1.68044 0.25663 0.55932 1 59662.508454 0.001104 1.65527 0.22631 0.55263 1 59662.778744 0.000552 1.48381 0.22064 0.71568 1 59662.780254 0.000959 1.26773 0.14345 0.81681 1