The long-awaited LOFAR overview paper has now been accepted for publication in the journal Astronomy & Astrophysics. This paper is intended to serve as a general reference and gives an overview of the LOFAR instrument, its major hardware and software components, and the core science objectives that have driven its design. The paper also presents a selection of new results from the commissioning phase of this new radio observatory.

Published by the editorial team, 27 May 2013

Over two years in the making, the paper features 56 pages, 34 figures, and 200 authors. The paper will be published in a forthcoming volume of Astronomy & Astrophysics, but in the meantime copies can be downloaded from the astro-ph archive:

http://arxiv.org/abs/1305.3550

The release of the paper is well timed of course to take advantage of the tsunami of citations sure to be produced by the flood of science papers expected from the first year of LOFAR regular operations. In addition, this paper will hopefully be the first of many more reference papers detailing the various components of the LOFAR system including the pipelines, archive, and MSSS surveys.

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Daily image of the week

On June 13-17, the LOFAR Family Meeting took place in Cologne. After two years LOFAR researchers could finally meet in person again. The meeting brings together LOFAR users and researchers to share new scientific results.
https://www.astron.nl/dailyimage/main.php?date=20220621

Our renewed ‘Melkwegpad’ (Milky Way Path) is finished! The new signs have texts in Dutch on the one side and in English on the other side. The signs concerning planets have a small, 3D printed model of that planet in their centre.
https://www.astron.nl/dailyimage/
#Melkwegpad @RTVDrenthe

Daily image of the week

The background drawing shows how the subband correlator calculates the array correlation matrix. In the upper left the 4 UniBoard2s we used. The two ACM plots in the picture show that the phase differences of the visibilities vary from 0 to 360 degrees.

Daily image of the week: Testing with the Dwingeloo Test Station (DTS)
One of the key specifications of LOFAR2.0 is measuring using the low- and the highband antenna at the same time. For this measurement we used 9 lowband antenna and 3 HBA tiles.
https://www.astron.nl/dailyimage/main.php?date=20220607

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