/* ** ** 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 59651.175870 0.000436 1.70138 0.27455 0.83333 1 0.81599 0.11426 0.71116 0.11471 0.10483 0.01013 59651.176756 0.000450 1.52836 0.24966 0.90323 1 0.74285 0.10301 0.63438 0.10347 0.10847 0.00974 59651.177584 0.000378 2.01381 0.31940 0.80769 1 0.95237 0.13469 0.85207 0.13512 0.10030 0.01082 59651.178456 0.000494 1.50568 0.24702 0.82353 1 0.71428 0.10101 0.61806 0.10143 0.09622 0.00917 59651.179342 0.000392 1.71398 0.27934 0.88889 1 0.83333 0.11785 0.72617 0.11831 0.10716 0.01046 59651.180533 0.000799 1.93580 0.21542 0.79603 1 0.89535 0.09044 0.81535 0.09069 0.08000 0.00669 59651.285785 0.000450 1.89502 0.28327 0.74676 1 0.98489 0.13045 0.87584 0.13089 0.10905 0.01075 59651.286554 0.000320 1.89105 0.29658 0.95455 1 0.97142 0.13603 0.86988 0.13646 0.10154 0.01089 59651.287252 0.000378 1.65778 0.25932 0.92308 1 0.84999 0.11902 0.76319 0.11939 0.08681 0.00942 59651.288414 0.000726 1.45043 0.17698 0.92000 1 0.79130 0.08295 0.68260 0.08330 0.10870 0.00761 59651.352529 0.000494 1.82307 0.25074 0.78079 1 0.99446 0.12241 0.89283 0.12279 0.10163 0.00965 59651.353386 0.000363 1.63048 0.26053 0.92000 1 0.86956 0.12297 0.77233 0.12339 0.09723 0.01014 59651.354519 0.000770 1.53350 0.18155 0.85067 1 0.81622 0.08510 0.72133 0.08540 0.09488 0.00715