/* ** ** 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 59673.330652 0.000479 1.44432 0.22433 0.81818 1 59673.331640 0.000508 1.23043 0.19857 0.85714 1 59673.332816 0.000581 1.50840 0.23111 0.65000 1 59673.333935 0.000537 1.34195 0.20585 0.78378 1 59673.334981 0.000508 1.36358 0.21436 0.80000 1 59673.336157 0.000639 1.23066 0.18664 0.77898 1