6533b7dcfe1ef96bd1272116
RESEARCH PRODUCT
Comparison of Hinode/XRT and RHESSI detection of hot plasma in the non-flaring solar corona
James M. MctiernanPaola TestaFabio RealeFabio Realesubject
PhysicsStellar atmosphereGamma rayFOS: Physical sciencesAstronomy and AstrophysicsAstrophysicsPlasmaSolar atmosphereCoronaElectromagnetic radiationStarsSettore FIS/05 - Astronomia E AstrofisicaAstrophysics - Solar and Stellar AstrophysicsSpace and Planetary ScienceSun: corona Sun: X-rays gamma raysMain sequenceSolar and Stellar Astrophysics (astro-ph.SR)description
We compare observations of the non-flaring solar corona made simultaneously with Hinode/XRT and with RHESSI. The analyzed corona is dominated by a single active region on 12 November 2006. The comparison is made on emission measures. We derive emission measure distributions vs temperature of the entire active region from multifilter XRT data. We check the compatibility with the total emission measure values estimated from the flux measured with RHESSI if the emission come from isothermal plasma. We find that RHESSI and XRT data analyses consistently point to the presence of a minor emission measure component peaking at log T ~ 6.8-6.9. The discrepancy between XRT and RHESSI results is within a factor of a few and indicates an acceptable level of cross-consistency.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2009-01-01 |