/* ** ** 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 54506.107999 0.000428 3.49462 0.31172 0.73649 0 3.69422 0.26057 2.99163 0.26685 0.70258 0.05756 54506.108861 0.000434 2.77100 0.26792 0.84667 0 3.17063 0.22364 2.38551 0.23063 0.78512 0.05637 54506.109749 0.000454 2.92674 0.27543 0.78344 0 3.25745 0.23034 2.51783 0.23695 0.73962 0.05559 54506.110591 0.000376 3.34141 0.30718 0.84615 0 3.64242 0.25756 2.87614 0.26442 0.76628 0.05984 54506.111416 0.000443 2.91125 0.27205 0.81699 0 3.20533 0.22665 2.49399 0.23301 0.71134 0.05408 54506.112426 0.000567 3.39121 0.26336 0.74961 0 3.59971 0.22155 2.92105 0.22684 0.67866 0.04872 54506.113951 0.000944 4.22926 0.35471 0.98462 1 1.24999 0.08839 1.06090 0.08898 0.18910 0.01023 54506.115200 0.000305 3.42279 0.54821 1.00000 1 0.99047 0.13735 0.86241 0.13814 0.12806 0.01469 54506.116769 0.001264 3.87583 0.30477 0.91971 1 1.15478 0.07598 0.97302 0.07651 0.18176 0.00897