/* ** ** 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 57834.272207 0.000654 1.56370 0.24896 0.68889 1 0.64517 0.09124 0.57551 0.09147 0.06966 0.00652 57834.273456 0.000596 1.58758 0.25511 0.73171 1 0.66667 0.09428 0.58838 0.09454 0.07829 0.00703 57834.274749 0.000697 1.40799 0.22229 0.72917 1 0.58286 0.08162 0.51846 0.08183 0.06440 0.00590 57834.275998 0.000552 1.63934 0.26064 0.78947 1 0.68001 0.09522 0.60045 0.09548 0.07956 0.00709 57834.277218 0.000610 1.52464 0.24745 0.73810 1 0.64517 0.09124 0.56390 0.09151 0.08127 0.00705 57834.278482 0.000625 1.60036 0.24688 0.74419 1 0.66251 0.09100 0.59147 0.09123 0.07103 0.00648 57834.279658 0.000552 1.62457 0.25897 0.78947 1 0.68001 0.09522 0.59919 0.09549 0.08082 0.00714 57834.280907 0.000697 1.65464 0.25621 0.62500 1 0.68001 0.09522 0.61623 0.09543 0.06377 0.00635 57834.282447 0.000842 1.71787 0.20431 0.84483 1 0.70205 0.07570 0.63788 0.07587 0.06417 0.00498