/* ** ** 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 57837.011053 0.000813 1.21680 0.18419 0.58929 1 57837.012651 0.000784 1.39458 0.20584 0.53704 1 57837.014191 0.000755 1.20070 0.17813 0.65385 1 57837.015730 0.000784 1.14208 0.17321 0.64815 1 57837.017212 0.000668 1.30148 0.19489 0.67391 1 57837.018984 0.001104 1.26887 0.17372 0.49844 1