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Solar Observations with LOFAR

    G. Mann, C. Vocks, F. Breitling

Planetary Radio Emissions VII, pp. 507-512, 2011/12/28

Proceedings of the 7th International Workshop on Planetary, Solar and Heliospheric Radio Emissions held at Graz, Austria, September 15–17, 2010

doi: 10.1553/PRE7s507

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doi:10.1553/PRE7s507


Abstract

The LOw Frequency ARray (LOFAR) is a novel radio telescope that consists of 20 core stations near Exloo in the Netherlands, 18 Dutch remote stations, and 8 international stations all distributed over central Europe. One of them was built in Potsdam. LOFAR is a radio interferometer for the frequency range of 30-240 MHz and will exceed the sensitivity and resolution of existing instruments by more than one order of magnitude. ”Solar Physics and Space Weather with LOFAR” is one of LOFAR’s Key Science Projects. Since LOFAR is working in the frequency range of 30-240 MHz, it is able to deliver radio images of the Sun. The solar radio radiation in this frequency range is emitted from the outer corona. Since radio waves are strongly scattered in the corona, the angular resolution of LOFAR’s radio maps will be limited to a few 10 arcseconds. The necessary baselines include the core and the nearest remote stations.