/* ** ** Swift/XRT light curve for Mrk 421. ** ** 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 58258.926203 0.000307 20.60656 0.66262 1.00000 0 58258.926805 0.000295 21.09234 0.67733 1.00000 0 58258.927375 0.000275 23.13951 0.74053 1.00000 0 58258.927945 0.000295 21.36767 0.68678 1.00000 0 58258.928503 0.000263 23.62963 0.76124 1.00000 0 58258.929056 0.000289 21.60624 0.69333 1.00000 0 58258.929643 0.000298 20.85922 0.67278 1.00000 0 58258.930245 0.000304 20.62225 0.65854 1.00000 0 58258.930867 0.000318 19.50940 0.62915 1.00000 0 58258.931576 0.000391 21.47391 0.59549 0.99450 0 58258.992033 0.000159 15.89991 1.16300 0.98857 0 58258.992635 0.000443 18.53431 0.60849 1.00000 0 58258.993749 0.000671 18.03061 0.49863 0.99780 0