/* ** ** 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 57840.924733 0.000581 1.87852 0.23705 0.77500 1 0.98065 0.11249 0.89408 0.11281 0.08658 0.00857 57840.925663 0.000349 1.78353 0.27623 0.87500 1 0.95239 0.13469 0.87220 0.13506 0.08019 0.01002 57840.926404 0.000392 1.58829 0.24728 0.88889 1 0.86667 0.12019 0.77458 0.12061 0.09209 0.01005 57840.927246 0.000450 1.30690 0.21806 0.87097 1 0.74075 0.10476 0.63063 0.10527 0.11012 0.01036 57840.928437 0.000741 1.84578 0.19135 0.90196 1 0.99131 0.09284 0.89808 0.09313 0.09324 0.00730 57840.929541 0.000363 1.79936 0.27445 0.88000 1 0.98183 0.13361 0.87897 0.13407 0.10286 0.01109 57840.930427 0.000523 1.83520 0.23641 0.86111 1 0.99356 0.11323 0.88237 0.11364 0.11119 0.00971 57840.931372 0.000421 1.54524 0.24350 0.82759 1 0.83334 0.11785 0.75002 0.11824 0.08332 0.00956 57840.932272 0.000479 1.32644 0.21772 0.81818 1 0.74075 0.10476 0.64135 0.10522 0.09940 0.00984 57840.933144 0.000392 1.55953 0.24130 0.92593 1 0.84801 0.11648 0.75539 0.11690 0.09262 0.00987 57840.934117 0.000552 1.19773 0.19652 0.78947 1 0.66667 0.09428 0.57721 0.09470 0.08946 0.00886 57840.935366 0.000697 1.67135 0.18997 0.89583 1 0.89303 0.09114 0.80430 0.09144 0.08873 0.00737