<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The generalized maximum entropy method (GMEM) is proven to recover both positive and negative local microwave sources on the 2.7 cm maps of the Sun taken with the radiotelescope RT-32 of the Ventspils International Radio Astronomy Center (VIRAC). The maps of the Sun need to be recovered due to high intensity of the side lobes of the RT-32 diagram pattern - up to 30% at 2.7 cm. The presence of negative local sources associated with Hα filaments is inferred from the 2.7 cm maps of the Sun (RT-32) compared with the 1.76 cm maps of the Sun (Nobeyama Radio Heliograph).</p></abstract>

The generalized maximum entropy method (GMEM) is proven to recover both positive and negative local microwave sources on the 2.7 cm maps of the Sun taken with the radiotelescope RT-32 of the Ventspils International Radio Astronomy Center (VIRAC). The maps of the Sun need to be recovered due to high intensity of the side lobes of the RT-32 diagram pattern - up to 30% at 2.7 cm. The presence of negative local sources associated with Hα filaments is inferred from the 2.7 cm maps of the Sun (RT-32) compared with the 1.76 cm maps of the Sun (Nobeyama Radio Heliograph).

Application of Recovering Procedures to RT-32 Radio Maps of the Sun

Ventspils International Radio Astronomy Center, 101 Inzenieru Str., Ventspils, LATVIA

Main Astronomical Observatory, Russian Academy of Sciences, Pulkovo, St.-Petersburg, RUSSIA

Latvian Journal of Physics and Technical Sciences

{"article-title":"Application of Recovering Procedures to RT-32 Radio Maps of the Sun"}

The generalized maximum entropy method (GMEM) is proven to recover both positive and negative local microwave sources on the 2.7 cm maps of the Sun taken with...

Application of Recovering Procedures to RT-32 Radio Maps of the Sun

Publié en ligne: 19 nov. 2010

Pages: 49 - 56

DOI: https://doi.org/10.2478/v10047-009-0026-x

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