/* ** ** 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 59670.194166 0.000712 1.27230 0.20129 0.67347 1 0.60606 0.08571 0.54287 0.08590 0.06320 0.00565 59670.195531 0.000654 1.41303 0.22762 0.62222 1 0.71429 0.10102 0.62849 0.10127 0.08580 0.00715 59670.196809 0.000596 1.32720 0.20498 0.78049 1 0.65000 0.09014 0.58483 0.09033 0.06517 0.00583 59670.198175 0.000741 1.15741 0.19076 0.66667 1 0.58824 0.08319 0.50629 0.08343 0.08195 0.00634 59670.199395 0.000479 1.51216 0.23311 0.84848 1 0.72858 0.10202 0.66303 0.10221 0.06554 0.00625 59670.200368 0.000494 1.47182 0.23087 0.85294 1 0.70345 0.09850 0.62981 0.09872 0.07364 0.00651 59670.201806 0.000944 1.54319 0.17652 0.76891 1 0.74432 0.07718 0.67622 0.07733 0.06810 0.00477