/* ** ** 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 54510.173553 0.000454 3.10535 0.30290 0.71338 0 3.57737 0.25296 2.67762 0.26116 0.89975 0.06493 54510.174455 0.000448 3.22634 0.30410 0.71613 0 3.60960 0.25524 2.78686 0.26275 0.82274 0.06237 54510.175361 0.000457 2.98142 0.29419 0.73418 0 3.47128 0.24485 2.56636 0.25307 0.90492 0.06399 54510.176620 0.000802 3.07183 0.23430 0.66394 0 3.48572 0.19486 2.63528 0.20099 0.85044 0.04926 54510.211599 0.034164 5.03641 0.30123 0.04957 1 1.39287 0.06913 1.16800 0.06973 0.22488 0.00918 54510.241443 0.000532 2.87361 0.29114 0.68591 0 3.19051 0.22504 2.30084 0.23308 0.88967 0.06068 54510.242621 0.000645 2.71412 0.26740 0.64611 0 3.10062 0.20763 2.18719 0.21546 0.91342 0.05754