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Low frequency solar scrutiny with the Polish LOFAR stations

    B.P. DĄBROWSKI, L. BŁASZKIEWICZ, A. KRANKOWSKI, D. E. MOROSAN, K. KOTULAK, A. FROŃ, T. SIDOROWICZ

Planetary Radio Emissions VIII, pp. 437-444, 2018/08/17

Proceedings of the 8th International Workshop on Planetary, Solar and Heliospheric Radio Emissions held at Seggauberg near Graz, Austria, October 25–27, 2016

doi: 10.1553/PRE8s437

doi: 10.1553/PRE8s437

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doi:10.1553/PRE8s437



doi:10.1553/PRE8s437

Abstract

The LOw–Frequency ARray (LOFAR) is a radio interferometer operating in the frequency range 10 – 240 MHz (corresponding to wavelengths of 30 – 1.2 m). Important issues of its broad scientific program are the solar and space weather investigations. We are expecting that the LOFAR telescope will bring interesting results in these fields. Three new LOFAR stations were built in Poland in 2015 and have been operating since the beginning of 2016. By including these stations to the ILT (International LOFAR Telescope), the resolution and sensitivity of the whole interferometer were improved and they are, for 240 MHz, 0.1 arcsec and 9.17 mJy/beam, respectively. Using a single LOFAR station, spectroscopic observations of the Sun can be performed; more stations allow us to obtain solar radio images.