/* ** ** 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) ** RawRate - Raw source count rate (cts/s) ** RawError - 1 sigma error in the raw count rate (cts/s) ** NetRate - Background subtracted count rate (cts/s) ** NetError - 1 sigma error in the background subtracted count rate (cts/s) ** BackRate - Background count rate (cts/s) ** BackError - 1 sigma error in the background count rate (cts/s) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode RawRate RawError NetRate NetError BackRate BackError 54509.437102 0.000486 2.96938 0.29322 0.69048 0 3.45402 0.24424 2.55561 0.25244 0.89841 0.06385 54509.438046 0.000457 2.90486 0.28094 0.75949 0 3.33889 0.23610 2.51867 0.24359 0.82022 0.05998 54509.438969 0.000466 3.24787 0.30882 0.67702 0 3.67584 0.25992 2.81631 0.26779 0.85953 0.06442 54509.439880 0.000446 3.30463 0.31062 0.70779 0 3.69422 0.26057 2.85400 0.26824 0.84022 0.06370 54509.440748 0.000422 3.02524 0.29884 0.77397 0 3.54572 0.25072 2.62346 0.25915 0.92227 0.06554 54509.442099 0.000929 2.93702 0.21079 0.69734 0 3.47247 0.17629 2.54132 0.18239 0.93115 0.04679