/* ** ** 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) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode 60116.594701 0.000587 2.75783 0.25929 0.66008 0 60116.595757 0.000469 3.06781 0.28686 0.74095 0 60116.596761 0.000530 2.80424 0.25751 0.72678 0 60116.597872 0.000576 2.56756 0.23952 0.72006 0 60116.598940 0.000486 2.99296 0.27190 0.74827 0 60116.600066 0.000639 2.71361 0.23668 0.71461 0