/* ** ** 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 59650.357992 0.000508 1.56800 0.23725 0.74286 1 0.80001 0.11094 0.73472 0.11115 0.06528 0.00684 59650.359169 0.000639 1.15420 0.17690 0.79545 1 0.58286 0.08162 0.53383 0.08178 0.04903 0.00511 59650.360374 0.000566 1.39446 0.21109 0.74359 1 0.68966 0.09753 0.64528 0.09768 0.04438 0.00534 59650.361406 0.000465 1.45779 0.22527 0.84375 1 0.74075 0.10476 0.67926 0.10496 0.06148 0.00652 59650.362423 0.000552 1.37195 0.20794 0.78947 1 0.69334 0.09615 0.63552 0.09634 0.05782 0.00600 59650.363657 0.000654 1.28060 0.19883 0.68889 1 0.64517 0.09124 0.58921 0.09142 0.05596 0.00580 59650.364819 0.000508 1.42931 0.21854 0.80000 1 0.72858 0.10202 0.66862 0.10222 0.05995 0.00632 59650.365851 0.000523 1.40711 0.21432 0.77778 1 0.71429 0.10102 0.66433 0.10118 0.04996 0.00577 59650.366940 0.000537 1.32546 0.20308 0.81081 1 0.66667 0.09428 0.61631 0.09445 0.05036 0.00560 59650.368146 0.000668 1.49454 0.20185 0.74150 1 0.75054 0.09382 0.69586 0.09398 0.05468 0.00547