/* ** ** 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 60002.073200 0.000399 16.07104 0.51776 1.00000 0 60002.074010 0.000411 15.65266 0.50345 1.00000 0 60002.074803 0.000382 16.62604 0.53511 1.00000 0 60002.075599 0.000414 15.87812 0.51279 0.99301 0 60002.076438 0.000425 15.46550 0.50404 0.98639 0 60002.077269 0.000405 15.65943 0.51340 1.00000 0 60002.078056 0.000382 16.78820 0.54501 1.00000 0 60002.078857 0.000420 15.41722 0.50416 0.99310 0 60002.079925 0.000648 15.65854 0.40500 0.99504 0 60002.138987 0.000185 8.65751 0.63867 0.99711 0 60002.139317 0.000145 10.99432 0.79554 1.00000 0 60002.139618 0.000156 10.19390 0.74049 0.98148 0 60002.140029 0.000255 8.98989 0.56636 0.98864 0