/* ** ** 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 59652.172319 0.000363 2.04947 0.32833 0.92000 1 59652.173060 0.000378 2.25912 0.35152 0.84615 1 59652.173844 0.000407 2.20783 0.34419 0.82143 1 59652.174701 0.000450 2.18610 0.33295 0.77419 1 59652.175921 0.000770 2.23057 0.23839 0.90235 1 59652.216593 0.000450 1.89286 0.24564 0.96163 1 59652.217566 0.000523 1.87681 0.27340 0.66689 1 59652.218960 0.000872 1.85226 0.19803 0.76014 1