/* ** ** 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 59667.159250 0.000552 1.56355 0.23390 0.68421 1 59667.160514 0.000712 1.25111 0.18931 0.65306 1 59667.161879 0.000654 1.27927 0.19314 0.68889 1 59667.163230 0.000697 1.15943 0.17968 0.68750 1 59667.164538 0.000610 1.40651 0.21152 0.66667 1 59667.165888 0.000712 1.11762 0.17103 0.71429 1 59667.167675 0.001075 1.46476 0.16728 0.63570 1