/* ** ** 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 60061.432274 0.000234 26.51433 0.85315 1.00000 0 60061.432722 0.000214 29.30294 0.94184 1.00000 0 60061.433165 0.000229 27.57356 0.88052 1.00000 0 60061.433596 0.000203 30.70650 0.98482 1.00000 0 60061.434024 0.000226 27.72896 0.89675 1.00000 0 60061.434473 0.000223 28.08307 0.89938 1.00000 0 60061.434918 0.000223 27.84941 0.89853 1.00000 0 60061.435364 0.000223 27.82404 0.89261 1.00000 0 60061.435812 0.000226 27.62665 0.88426 1.00000 0 60061.436252 0.000214 29.44722 0.93683 1.00000 0 60061.436692 0.000226 27.87191 0.89639 1.00000 0 60061.437138 0.000220 28.83625 0.92380 0.98684 0 60061.437595 0.000237 26.46054 0.85319 1.00000 0 60061.438055 0.000223 27.62561 0.90386 1.00000 0 60061.438503 0.000226 27.80509 0.89297 1.00000 0 60061.439117 0.000388 27.50543 0.68295 0.99626 0