/* ** ** 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 54591.314194 0.000915 2.15994 0.32337 0.55556 1 0.57144 0.08081 0.54027 0.08087 0.03116 0.00304 54591.316082 0.000915 2.28884 0.34071 0.52381 1 0.60607 0.08571 0.57616 0.08577 0.02991 0.00307 54591.317840 0.000813 2.07528 0.31136 0.64286 1 0.55556 0.07857 0.52411 0.07863 0.03145 0.00301 54591.319597 0.000915 1.91789 0.28678 0.61905 1 0.51283 0.07252 0.48539 0.07258 0.02744 0.00270 54591.321457 0.000944 1.94653 0.28990 0.60000 1 0.52308 0.07325 0.49218 0.07330 0.03090 0.00287 54591.323243 0.000784 2.03641 0.30332 0.68519 1 0.54055 0.07644 0.51359 0.07649 0.02695 0.00275 54591.325073 0.001046 1.81659 0.27390 0.56944 1 0.48781 0.06899 0.45791 0.06904 0.02990 0.00275 54591.327630 0.001511 2.10053 0.25077 0.53778 1 0.55785 0.06316 0.52944 0.06321 0.02842 0.00230