Journal of The Korean Astronomical Society (천문학회지)

The Korean Astronomical Society (한국천문학회)
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SIMULATING NONTHERMAL RADIATION FROM CLUSTER RADIO GALAXIES

  • TREGILLIS I. L. (Applied Physics Division, MS B259, Los Alamos National Laboratory) ;
  • JONES T. W. (School of Physics and Astronomy, University of Minnesota) ;
  • RYU DONGSU (Department of Astronomy & Space Science, Chungnam National University)
  • Published : 2004.12.01
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Abstract

We present results from an extensive synthetic observation analysis of numerically-simulated radio galaxy (RG) jets. This analysis is based on the first three-dimensional simulations to treat cosmic ray acceleration and transport self-consistently within a magnetohydrodynamical calculation. We use standard observational techniques to calculate both minimum-energy and inverse-Compton field values for our simulated objects. The latter technique provides meaningful information about the field. Minimum-energy calculations retrieve reasonable field estimates in regions physically close to the minimum-energy partitioning, though the technique is highly susceptible to deviations from the underlying assumptions. We also study the reliability of published rotation measure analysis techniques. We find that gradient alignment statistics accurately reflect the physical situation, and can uncover otherwise hidden information about the source. Furthermore, correlations between rotation measure (RM) and position angle (PA) can be significant even when the RM is completely dominated by an external cluster medium.

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