/* ** ** 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 59678.419625 0.000755 1.55048 0.24908 0.63462 1 59678.421063 0.000596 2.01433 0.31607 0.63415 1 59678.422210 0.000552 1.67643 0.26982 0.76316 1 59678.423227 0.000436 2.09572 0.32770 0.83333 1 59678.424360 0.000697 1.75576 0.27599 0.60417 1 59678.425711 0.000654 1.51279 0.24946 0.73333 1 59678.427439 0.001017 1.70413 0.21211 0.71701 1