/* ** ** 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 57849.288298 0.000479 1.65433 0.26158 0.69697 1 57849.289460 0.000654 1.15860 0.19862 0.66504 1 57849.291014 0.000610 1.48973 0.23799 0.59103 1 57849.292336 0.000712 1.17499 0.19596 0.61434 1 57849.294065 0.000726 1.24210 0.21343 0.55918 1 57849.295982 0.000813 1.29802 0.22294 0.47550 1 57849.298016 0.001162 1.18852 0.18647 0.43749 1