/* ** ** 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) ** RawRate - Raw source count rate (cts/s) ** RawError - 1 sigma error in the raw count rate (cts/s) ** NetRate - Background subtracted count rate (cts/s) ** NetError - 1 sigma error in the background subtracted count rate (cts/s) ** BackRate - Background count rate (cts/s) ** BackError - 1 sigma error in the background count rate (cts/s) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode RawRate RawError NetRate NetError BackRate BackError 54509.236541 0.000582 3.52334 0.36287 0.66667 0 2.99004 0.21143 2.14835 0.21884 0.84169 0.05649 54509.237721 0.000593 3.89951 0.38844 0.65854 0 2.96790 0.20986 2.17760 0.21683 0.79030 0.05454 54509.239368 0.001053 3.59154 0.29150 0.62744 0 2.84199 0.15789 2.01670 0.16360 0.82528 0.04285 54509.241318 0.000886 2.25339 0.24457 0.90574 1 0.99905 0.08504 0.79101 0.08585 0.20804 0.01172