/* ** ** 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 54503.493702 0.000454 2.87350 0.28141 0.76951 0 3.33297 0.23509 2.47888 0.24276 0.85409 0.06054 54503.494639 0.000483 3.11592 0.28988 0.69461 0 3.45401 0.24424 2.69858 0.25105 0.75543 0.05811 54503.495580 0.000451 3.21431 0.29837 0.72436 0 3.56344 0.25135 2.78336 0.25837 0.78008 0.05983 54503.496503 0.000466 2.98192 0.27528 0.76398 0 3.27373 0.23091 2.56972 0.23725 0.70401 0.05448 54503.497443 0.000475 2.93429 0.28480 0.72561 0 3.36694 0.23808 2.53033 0.24561 0.83661 0.06038 54503.498621 0.000697 3.02336 0.24048 0.72250 0 3.53211 0.20159 2.61790 0.20823 0.91422 0.05218