/* ** ** 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 56778.049978 0.000214 29.56700 0.94399 1.00000 0 56778.050392 0.000200 31.24645 0.99729 1.00000 0 56778.050797 0.000205 30.76933 0.98616 1.00000 0 56778.051228 0.000226 27.80799 0.88747 1.00000 0 56778.051654 0.000200 31.34402 0.99834 1.00000 0 56778.052059 0.000205 30.36705 0.97126 1.00000 0 56778.052470 0.000205 30.62778 0.97172 1.00000 0 56778.052884 0.000208 29.85408 0.96051 1.00000 0 56778.053297 0.000205 30.57712 0.97280 1.00000 0 56778.053714 0.000211 29.62230 0.94846 1.00000 0 56778.054134 0.000208 29.89526 0.96217 1.00000 0 56778.054611 0.000269 29.96215 0.84594 0.99859 0 56778.927834 0.000298 23.93496 0.76961 0.99424 0 56778.928404 0.000272 24.53280 0.79120 1.00000 0 56778.928951 0.000275 24.60651 0.79000 1.00000 0 56778.929504 0.000278 24.31766 0.78167 1.00000 0 56778.930051 0.000269 25.15728 0.80900 1.00000 0 56778.930592 0.000272 24.88199 0.80029 1.00000 0 56778.931130 0.000266 25.33610 0.81335 1.00000 0 56778.931665 0.000269 24.92282 0.80048 1.00000 0 56778.932276 0.000341 25.11699 0.71725 1.00000 0