/* ** ** 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 59668.679324 0.000741 1.22296 0.18612 0.62745 1 59668.680849 0.000784 1.14659 0.17294 0.62963 1 59668.682171 0.000537 1.44693 0.21593 0.72973 1 59668.683551 0.000813 1.18727 0.17604 0.62500 1 59668.684989 0.000596 1.20035 0.17933 0.80488 1 59668.686412 0.000828 1.15735 0.17520 0.59649 1 59668.688417 0.001118 1.26526 0.14654 0.67532 1