/* ** ** 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 54534.758242 0.000767 2.74306 0.22986 0.68081 0 3.16464 0.18746 2.31329 0.19388 0.85135 0.04948 54534.759442 0.000421 2.74086 0.45008 0.93103 1 0.74073 0.10476 0.64068 0.10519 0.10006 0.00954 54534.760328 0.000465 2.56513 0.42205 0.90625 1 0.71723 0.09946 0.60714 0.09993 0.11009 0.00966 54534.761156 0.000363 3.45860 0.53421 0.92000 1 0.90434 0.12541 0.81464 0.12579 0.08969 0.00979 54534.761896 0.000378 3.17897 0.51816 0.88462 1 0.86956 0.12297 0.75744 0.12346 0.11212 0.01094 54534.762710 0.000436 2.68224 0.44248 0.90000 1 0.74073 0.10476 0.63795 0.10520 0.10278 0.00967 54534.763509 0.000363 3.49321 0.55506 0.87281 1 0.95323 0.13219 0.83505 0.13269 0.11818 0.01153 54534.825855 0.000590 6.80643 0.68331 0.60410 0 3.25119 0.22989 2.43997 0.23716 0.81122 0.05824 54534.827036 0.000590 6.40734 0.66213 0.65686 0 2.99004 0.21143 2.12092 0.21919 0.86912 0.05781 54534.828714 0.001088 6.13846 0.47644 0.65943 0 2.84407 0.15159 2.02519 0.15710 0.81888 0.04125 54534.830122 0.000334 2.67379 0.41900 0.91431 1 0.98909 0.13716 0.87880 0.13770 0.11030 0.01218 54534.830849 0.000392 2.29455 0.37182 0.88586 1 0.88635 0.12175 0.75508 0.12239 0.13127 0.01246 54534.892539 0.000532 2.73219 0.28801 0.71695 0 3.03719 0.21476 2.11752 0.22309 0.91967 0.06038 54534.893572 0.000495 3.12446 0.30964 0.69591 0 3.36693 0.23808 2.48364 0.24610 0.88329 0.06230 54534.894585 0.000518 3.01578 0.29413 0.70391 0 3.19578 0.22541 2.38647 0.23274 0.80932 0.05796 54534.895635 0.000532 3.22835 0.31744 0.63043 0 3.45401 0.24424 2.56591 0.25230 0.88810 0.06327 54534.897059 0.000891 3.18326 0.23837 0.65792 0 3.41072 0.18363 2.53330 0.18969 0.87742 0.04758 54534.958705 0.000101 3.02222 0.66239 0.70928 0 3.47003 0.52917 2.49924 0.54779 0.97079 0.14160 54534.959181 0.000378 2.29107 0.36078 0.78590 1 0.99836 0.13980 0.89044 0.14033 0.10791 0.01222 54534.960430 0.000872 2.30935 0.22027 0.93333 1 0.99999 0.08451 0.88994 0.08484 0.11005 0.00745 54534.961709 0.000378 2.30713 0.35203 0.84615 1 0.99999 0.13484 0.88691 0.13538 0.11308 0.01205 54534.962638 0.000552 2.28372 0.28014 0.89474 1 0.99999 0.10846 0.88774 0.10889 0.11225 0.00966 54534.963873 0.000683 1.86416 0.22360 0.95726 1 0.84460 0.08665 0.72584 0.08708 0.11875 0.00864