/* ** ** 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 57847.361271 0.000813 1.12595 0.17188 0.62500 1 57847.362855 0.000770 1.10298 0.16461 0.67925 1 57847.364264 0.000610 1.44497 0.21276 0.66667 1 57847.365890 0.000901 1.12185 0.16975 0.56452 1 57847.367735 0.000944 1.02011 0.14902 0.63077 1 57847.370117 0.001380 1.07964 0.13111 0.60626 1