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Effelsberg
© None Friday March 11, I visited radio telescope Effelsberg, together with Mark Bentum and Lute van de Bult.Goal was to assess the flooding damage from July 2021 and moreover be supportive to the...
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Colloquium: Algorithms for radio interferometric imaging
© CC-BY-SA-NC (Credit: André Offringa) In this colloquium, I will give an overview of radio interferometric techniques and algorithms, and cover the advancement in techniques driven by instruments...
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Telescope Puzzle Route WSRT published
© ASTRON / RouteDesigner Last but not least, the third Telescope Puzzle Route WSRT has been published!As promised in our daily image of February 9th, we succeeded in publishing the third Telescope...
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Astrocoffee: live in Dwingeloo this Wednesday!
© Hessels/ASTRON With Covid restrictions now starting to lift, things are again becoming more lively in the ASTRON/JIVE building. The regular Astrocoffee (a.k.a. A&O Coffee) is being conducted...
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Irradiated but not eclipsed, the case of PSR J0610-2100
© E. van der Wateren, C. G. Bassa, C. J. Clark, R. P. Breton, I. Cognard, L. Guillemot, G. H. Janssen, A. G. Lyne, B. W. Stappers, G. Theureau Black widow pulsars, a class of pulsars with very low-mass...
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Colloquium: Improved Limits on the Reionization 21 cm Power Spectrum with...
© CC-BY-SA-NC (Credit: Credit: Marcelo Alvarez, Ralf Kaehler and Tom Abel) I will discuss recent results from the Hydrogen Epoch of Reionization Array (HERA), which presented an analysis of 18 nights...
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Bachelor Students Applied Physics on Safari in Innovative Northern Netherlands
© Johan Pragt Finally, after the long corona resctrictions, a bus full of students visiting ICD (Innovatie Cluster Drachten) in the North of the Netherlands. This time Applied Physics from Eindhoven...
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Milliarcsecond Localization of the Repeating FRB 20201124A
© Nimmo/ASTRON In our recent Nimmo et al. paper, published in the Astrophysical Journal Letters, we presented the localization of the repeating fast radio burst (FRB) source called FRB 20201124A. Using...
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End of Apertif Observing
© Betsey Adams The last science observations with Apertif commenced on 28 February 2022. In order to mark this event, the completion of just over 2.5 years of survey operations, we gathered together...
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Colloquium: How Bright is the Radio Sky? We Don't Knowâ¦yet
© CC-BY-SA-NC (Credit: Jack Singal) The actual level of diffuse radio emission on our sky is surprisingly uncertain. Almost all investigations that depend on understanding the radio sky, including...
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The WSRT gives an HI perspective on galaxies 2.5 billion years ago
© ASTRON On the 21st of March, Avanti Gogate successfully defended her PhD thesis at the University of Groningen. Avanti was supervised by Prof. Marc Verheijen and Prof. Thijs van der Hulst. Her...
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LOFAR2.0 Team outing to .... LOFAR!
© ASTRON With COVID restrictions largely retracted we thought it would be great to have a field day with the LOFAR2.0 Team. And what better location for that than the LOFAR core...!? So, on March 24th,...
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LOFAR image of M51
© LOFAR The image was made by using LOFAR LoTSS hips hyperlink to access the low-frequency radio view northern hemisphere using Aladin. Contours and maximum flux intensity were highlighted in the image.
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Need a tool? Make a tool!
© Lute van de Bult In the LBA-fields of LOFAR we suffer from severe weed growth, especially since the use of pesticides is banned.Mowing isn't possible near the base of the LBA antenna, allowing the...
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The EVN archive: now officially part of the VO
© Mark Kettenis Thanks to the EC funded ESCAPE project, JIVE is now running its own Virtual Observatory (VO) service that provides access to all the public data in the European VLBI Network (EVN)...
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The Leiden LOFAR group visits ASTRON
© Public Last Friday, the Leiden LOFAR group paid a visit to ASTRON, the WSRT, and LOFAR. The students and postdocs got to hear about all the awesome science, engineering, and software development that...
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Fast radio bursts at the dawn of the 2020s
© This is an open access article distributed under the terms of the Creative Commons CC BY license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original...
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Building cabinet shelters
© none Big operation going on constructing shelters for our Lofar cabinets. The goal is to limit downtime caused by high temperatures.Construction is performed by Peter Gruppen and Zabet Ahmadi. It's...
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Earth Day 2022: what can YOU do?
© ASTRON Today, April 22nd, is internationally recognized as 'Earth Day'. On this day people are requested to share a thought on the state of our planet and take action to improve this, even if it is...
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Kootwijk Würzburg found!
© Arie Hin, ASTRON archive The dish at the origin of ASTRON's history was long thought to be lost. The Kootwijk dish, originally a Würzburg-Riese German radar dish, was the second telescope ever to...
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