/* ** ** 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 57836.069108 0.002368 1.08782 0.12500 0.44172 1 0.50000 0.05270 0.46056 0.05278 0.03944 0.00273 57836.931964 0.000755 1.32747 0.19629 0.60340 1 0.66291 0.09193 0.62231 0.09200 0.04060 0.00372 57836.933417 0.000610 1.49194 0.22283 0.64286 1 0.74074 0.10476 0.70189 0.10483 0.03885 0.00392 57836.935058 0.001031 1.13252 0.14334 0.70388 1 0.57628 0.06792 0.53709 0.06798 0.03920 0.00290