/* ** ** 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 57384.643118 0.000697 1.59317 0.23533 0.70726 1 0.70691 0.09126 0.61969 0.09153 0.08722 0.00703 57384.729734 0.000625 1.59493 0.25302 0.74416 1 0.67498 0.09185 0.58132 0.09216 0.09366 0.00750 57384.800821 0.000625 2.00501 0.26600 0.83616 1 0.78982 0.09373 0.70830 0.09397 0.08153 0.00659 57384.849147 0.000639 1.76427 0.27669 0.64134 1 0.72287 0.10122 0.64782 0.10147 0.07505 0.00716