/* ** ** 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 59315.018107 0.000654 1.08914 0.17234 0.75556 1 0.58824 0.08319 0.52685 0.08335 0.06139 0.00523 59315.019341 0.000581 1.28461 0.20086 0.72500 1 0.68966 0.09753 0.62499 0.09771 0.06467 0.00581 59315.020460 0.000508 1.55374 0.22835 0.74286 1 0.81539 0.11200 0.76303 0.11214 0.05236 0.00552 59315.021549 0.000552 1.28576 0.19917 0.76316 1 0.68966 0.09753 0.63072 0.09769 0.05894 0.00554 59315.022610 0.000508 1.40440 0.22123 0.74286 1 0.76924 0.10879 0.69187 0.10899 0.07737 0.00671 59315.023670 0.000552 1.41412 0.21667 0.71053 1 0.74075 0.10476 0.68473 0.10491 0.05602 0.00560 59315.024832 0.000581 1.28897 0.19725 0.75000 1 0.69334 0.09615 0.62931 0.09632 0.06403 0.00568 59315.025965 0.000552 1.25115 0.19380 0.78947 1 0.66667 0.09428 0.60970 0.09443 0.05697 0.00536 59315.027534 0.000901 1.18775 0.14651 0.80421 1 0.64982 0.07220 0.58641 0.07233 0.06340 0.00439