/* ** ** 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 60019.424059 0.000959 1.42732 0.21828 0.53030 1 0.59429 0.08241 0.54040 0.08253 0.05389 0.00439 60019.425947 0.000930 1.40037 0.22101 0.56250 1 0.55556 0.07857 0.49866 0.07869 0.05690 0.00444 60019.427937 0.001060 1.12571 0.18061 0.60274 1 0.45455 0.06428 0.40146 0.06440 0.05308 0.00388 60019.430406 0.001409 1.42550 0.18671 0.52245 1 0.56041 0.06651 0.50865 0.06660 0.05176 0.00357