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- Morganti, R., et al.
(author)
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Continuum surveys with LOFAR and synergy with future large surveys in the 1 – 2 GHz band
- 2009
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In: Proceedings of Science. - 1824-8039. ; 89
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Conference paper (peer-reviewed)abstract
- Radio astronomy is entering the era of large surveys. This paper describes the plans for wide surveys with the LOw Frequency ARray (LOFAR) and their synergy with large surveys at higher frequencies (in particular in the 1 – 2 GHz band) that will be possible using future facilities like Apertif or ASKAP. The LOFAR Survey Key Science Project aims at conducting large-sky surveys at 15, 30, 60, 120 and 200 MHz taking advantage of the wide instantaneous field of view and of the unprecedented sensitivity of this instrument.
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- Snellen, I., et al.
(author)
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Future investigations of GPS and CSS radio sources with LOFAR
- 2009
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In: Astronomische Nachrichten. - : Wiley. - 0004-6337 .- 1521-3994. ; 330:2-3, s. 297-300
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Journal article (peer-reviewed)abstract
- In the next few years, the Low Frequency Array (LOFAR) will open up one of the last astronomically unexplored wavelength regimes. While the LOFAR core is currently being erected in the Netherlands, its outer stations will cover a large part of Europe, resulting in an unprecedented angular resolution at > meter wavelengths. Next to many other exciting scientific endeavours, LOFAR will be the first instrument to probe the low frequency spectra of Gigahertz Peaked Spectrum (GPS) and Compact Steep Spectrum (CSS) radio sources. It will give new insights into their absorption processes, and probe associated extended emission (possibly linked to earlier epochs of activity) in these enigmatic class of young active galactic nuclei. Furthermore, LOFAR will be sensitive to possibly the most distant GPS and CSS sources, of which their spectral turnovers have redshifted down to the lowest observable radio frequencies.
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