Gauge-Invariant Helicity for Force-Free Magnetic Fields in a Rectangular Box |
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| Authors: | G V Rudenko I I Myshyakov |
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| Institution: | 1.Astronomical Institute,Academy of Sciences of the Czech Republic,Ond?ejov,Czech Republic |
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| Abstract: | The Atacama Large Millimeter/sub-millimeter Array (ALMA) is a large interferometer that will consist up to 64 high-precision antennas operating in the 31.3 – 950 GHz frequency
range. In this frequency range, which is largely unexplored, unique observations with a broad range of scientific objectives
(cosmology, cold universe, galaxies, stars and their formation, planets and so on) are expected. Among these tasks there is
a unique possibility to observe the Sun and to address several outstanding issues of solar physics. First, the ALMA is briefly
described and then the new ESO-ALMA European node (ARC), built at Ondřejov Observatory, is presented. In Europe, this ARC
is the only one oriented to solar physics. Consequently, the requirements and limitations for ALMA solar observations, as
well as some examples of possible solar-oriented ALMA projects, are shown. A procedure of the preparation and submission of
proposals for ALMA observations is mentioned. |
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