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A 3D printed RFI enclosure
© Niels Rietdijk & ASTRON Radio Frequency Interference is a recurring subject at almost every project within ASTRON. Many competence groups within ASTRON have tricks up their sleeve to mitigate...
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A 3D printed RFI enclosure
© Niels Rietdijk & ASTRON Radio Frequency Interference is a recurring subject at almost every project within ASTRON. Many competence groups within ASTRON have tricks up their sleeve to mitigate...
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LOFAR Mega Mode
© ASTRON After replacing the COBALT Correlator / Beamformer hardware last year Phase 2 of the COBALT2.0 project focusses on implementing the LOFAR Mega Mode (LMM). LMM is enabling a Multi-Tasking Radio...
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Little Planet WSRT
© CC-BY-4.0 Tammo Jan Dijkema Astronomers love projections, so I'm curious if anyone can deduce the projection used for this image of the WSRT. The full 360 degree photo can be viewed on Google Maps.
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Colloquium 9 July 2020 - Katharina Lutz (CDS - Centre de Donnees astronomique...
© Katharina Lutz Title: Average and the not so average HI discs in the nearby universeAbstract: A simple picture of star formation in galaxies is the following: the raw material for star formation is...
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Leon Oostrum successfully defends thesis -- at Westerbork
© Various The successes of Apertif are based on a large amount of team work; and for the time domain side, Leon Oostrum was one of the main contributors to this effort. His results on Fast Radio Burst...
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Live streaming the Sun from the Dwingeloo Telescope
© CC-BY-4.0 Tammo Jan Dijkema Sunday July 5th was the second Dutch edition of Zonnekijkdag (Solar observing day), a public event dedicated to the Sun. Typically, public observatories put out their...
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A bright comet
© Cees Bassa A comet, C2020 F3 NEOWISE, passed close to the Sun on July 3rd and has brightened to naked eye visibility since then. This is the brightest comet since Hale-Bopp appeared in 1997, and one...
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Release of AOFlagger 3.0
© CC, by André Offringa This Tuesday (21 July 2020), version 3.0 of AOFlagger was released. AOFlagger is a software package that is used to detect radio-frequency interference (RFI) in radio...
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Ghayoor Gillani thesis defence: approximate computing
© U.Twente / ASTRON The first phase of the Square Kilometre Array is expected to consume at least several megawatts of electric power. In order to reduce this amount and the associated energy bill, the...
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Magnetic Field of the Spiral Galaxy NGC 4217
© Dr. Yelena Stein (Centre de Données astronomiques de Strasbourg (CDS)) The spiral galaxy NGC 4217 has a huge magnetic field that is shown here as green lines. For this visualisation Yelena Stein...
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Fun with the AJDI Archive
© Madroon Community Consultants To get you started on the wonderful Archive of the ASTRON/JIVE Daily Image (AJDI), here are some search keywords that produce results you might find mildly...
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Fun with the AJDI Archive (II)
© Madroon Community Consultants The ASTRON/JIVE Daily Image (AJDI) is the family chronicle of ASTRON, JIVE, NOVA and DOME. What better way to remind ourselves of what we are fighting for in these...
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Fun with the AJDI Archive (II)
© Madroon Community Consultants The ASTRON/JIVE Daily Image (AJDI) is the family chronicle of ASTRON, JIVE, NOVA and DOME. What better way to remind ourselves of what we are fighting for in these...
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Accessible 3D printing of stainless steel
© Mechanical department In addition to our previous AJDI, we took a sidestep and aimed to explore the boundaries of 3D printing with our own Ultimaker S5. Following the latest developments in additive...
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A day at the office
© Pragt A picture of the Dwingeloo Radio Telescope from the first week of the corona era. Beautiful weather, great nature, clear where ASTRON is located. But equally unreachable.We did not know what we...
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Fun with the AJDI Archive (III)
© Madroon Community Consultants The ASTRON/JIVE Daily Image (AJDI) is the family chronicle of ASTRON, JIVE, NOVA and DOME. What better way to remind ourselves of what we are fighting for in these...
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In Memoriam: Prof Ron Allen (1940-2020)
© Baltimore Sun The WSRT was the premier radio telescope in the world for at least a decade. It was built by Oort's Leiden, but it put the astronomical institute in Groningen squarely on the map. The...
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In Memoriam: Lloyd Higgs (1937-2020)
© nn Lloyd Higgs was born in New Brunswick, Canada, in 1937. He was selected as a Rhodes Scholar in 1958 and spent three years in Oxford, where he earned his Doctorate in Solar Astronomy in 1961. At a...
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Colloquium 3 September 2020 - Jonathan Nichols (University of Leicester)
© Jonny Nichols Auroral processes and radio power at exoplanetsIn the solar system, planetary auroras and auroral emissions (such as coherent radio bursts) provide a means of diagnosing energetic...
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