/* ** ** 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 59659.448785 0.000537 1.19080 0.19820 0.89189 1 59659.449758 0.000436 1.86744 0.28737 0.76667 1 59659.450688 0.000494 1.44304 0.22553 0.85294 1 59659.451632 0.000450 1.49362 0.23871 0.87097 1 59659.452576 0.000465 1.67315 0.25873 0.81250 1 59659.453535 0.000494 1.50013 0.23237 0.82353 1 59659.454639 0.000610 1.43731 0.23222 0.66667 1 59659.456092 0.000842 1.51051 0.17701 0.84580 1