/* ** ** 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 59704.620626 0.000350 17.78776 0.57599 1.00000 0 59704.621329 0.000353 17.50343 0.56369 1.00000 0 59704.622064 0.000382 16.13309 0.52187 1.00000 0 59704.622813 0.000367 16.53308 0.54372 1.00000 0 59704.623548 0.000367 16.92234 0.54972 0.99213 0 59704.624283 0.000367 16.58918 0.54493 1.00000 0 59704.625018 0.000367 16.83966 0.54254 1.00000 0 59704.625727 0.000341 17.95831 0.58383 1.00000 0 59704.626430 0.000362 16.95206 0.55350 1.00000 0 59704.627154 0.000362 16.97292 0.55784 0.99200 0 59704.627889 0.000373 16.61657 0.53505 1.00000 0 59704.628655 0.000394 15.76935 0.51206 0.99265 0 59704.629419 0.000370 16.53271 0.54370 0.99219 0 59704.630499 0.000709 17.22416 0.39622 1.00000 0