Yesterday, during the Astronomy Day Dwingeloo, over 800 people visited the Planetron, CAMRAS, the foundations that manages the Dwingeloo Telescope, and ASTRON, Netherlands Institute for Radio Astronomy. This joint activity was organised in honour of the International Year of Astronomy 2009, Oktober Kennismaand and Oktober Kindermaand.

Published by the editorial team, 26 October 2009

During the day, visitors were able to attend many activities. At the Planetron people could attend a show, in which the stars, planets and constellations of the sky were described in the planetarium.

In the exposition room of the Planetron, ASTRON gave information about the new LOFAR telescope, which is currently under construction in Exloo, Drenthe. Visitors could see the different types of antennas, and scientists from ASTRON and JIVE told fascinating stories about their work.

At CAMRAS, the foundation that manages the Dwingeloo telescope, visitors could join tours in the control room of the telescope. At times, the telescope was moved and during the day it was possible to listen to a pulsar, live. 301 people visited the telescope on the Astronomy Day.

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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

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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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