/* ** ** 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 56779.448436 0.000295 24.65549 0.80238 1.00000 0 56779.449041 0.000310 24.15987 0.78279 1.00000 0 56779.449649 0.000298 24.62192 0.78473 1.00000 0 56779.450251 0.000304 24.13046 0.77930 1.00000 0 56779.450861 0.000307 23.79985 0.77067 1.00000 0 56779.451454 0.000286 25.79205 0.82531 1.00000 0 56779.452053 0.000312 23.51498 0.75694 1.00000 0 56779.452664 0.000298 24.66282 0.79352 1.00000 0 56779.453257 0.000295 25.04120 0.80408 1.00000 0 56779.453836 0.000284 25.91198 0.82981 1.00000 0 56779.454423 0.000304 24.15055 0.77659 1.00000 0 56779.455135 0.000408 24.78183 0.67611 0.99870 0