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Cygnus-A
© Albert van Duin During the holidays I was wondering what would be visible at the coordinates of the Cygnus-A radio source, which interferes with our radio observations but is also often used as a...
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LOFAR2.0 team achieves digital beamforming
© ASTRON An essential ingredient of any phased array antenna array is the ability to maximize sensitivity in the desired direction, aka beamforming. This mimics the limited viewing angle that is...
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Four months of DTSâ¦!
© ASTRON Remember this? On May 10th, we celebrated the opening event of the Dwingeloo Test Station (DTS) of LOFAR2.0 Station development project. Now, almost 4 months later, we have completed the DTS...
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Colloquium: The birth and death of massive galaxies: insights from strong...
© Hanna Stacey The most massive galaxies in the Universe stopped forming stars billions of years ago. How did these galaxies form and quench so rapidly? The canonical picture of galaxy evolution...
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Cabinet roof tops
© none Our Maintenance team is approaching completion of building cabinet roof tops.This project involved building 38 roof tops on LOFAR station cabinets.The idea is to shield the cabinets from solar...
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How ARTS Finds FRBs - II: Intertwined Beamforming & Dedispersion
© vL The Apertif Radio Transient System (ARTS) is a supercomputing instrument that performed real-time detection and localisation of Fast Radio Bursts on Apertif at Westerbork. In a series of images we...
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Introducing... Dr. Kenzie!
© Hessels On September 16th, 2022, ASTRON/UvA PhD candidate Kenzie Nimmo successfully defended her thesis, entitled Zooming-in on the sources of fast radio transients at the Aula of the University of...
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Astron/Kapteyn student Nika Jurlin defends her thesis
© ASTRON On 13 September 2022, Nika Jurlin successfully defended her thesis entitled 'Timing the cycle of life and death of radio galaxies using LOFAR' at the University of Groningen. Nika's PhD was a...
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Unstuck in time in a ticking cosmos
© ASTRON (thanks for the picture, Wim) On September 21st, 2022 I delivered my inaugural lecture ("oratie") as professor of Observational High-Energy Astrophysics at the Aula of the University of...
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LOFAR2.0 DTS in Contact magazine
© SKAO/ASTRON The latest edition of the SKAO magazine Contact includes a short article about the opening of the LOFAR2.0 Dwingeloo Test Station.
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Colloquium: Dark matter and angular momentum in nearby disc galaxies
© Pavel Mancera Pina Dark matter and angular momentum are key parameters regulating the evolution of galaxies through cosmic time: they largely control their total mass, size, and morphology. In this...
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Open Day October 2nd, 2022
© Frank Nuijens/ASTRON Together with JIVE, NOVA, and CAMRAS, ASTRON organized an open day on October 2nd. Although preparations for the open day were a bit on the late side, we managed to put together...
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Motorcycle Tour - Diversity
© Anne Veendijk Enjoy. One simple word is the result of the ASTRON-JIVE PV motorcycle tour on Friday September 2. Nine participants had a fantastic day for a lot of reasons, most of all - the weather...
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Radio quiet zones
© Henk Mulder / Ilse van der Waaij / Astron As you know we have some amazing radio telescopes which can observe even the weakest signals from the universe. Giving us insight on many big questions...
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Colloquium: Revealing the interstellar medium and the magnetic fields with LOFAR
© CC-BY-SA-NC (Credit: Erceg et al. 2022) Observations of synchrotron emission with LOFAR reveal a labyrinth of polarised Galactic structures as seen in this image, coloured based on the Faraday depth...
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Dwingeloo Bright Pulsar Survey, take 2
© CC-BY 4.0 Tammo Jan Dijkema The second Dwingeloo Bright Pulsar Survey was completed last weekend (over four years after part 1). This survey was carried out by two high-school students from RSG...
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SHEIRA: using LOFAR data in a space weather product demonstrator
© C. Baldovin SHeI-RA (Solar, heliospheric, ionospheric with radio astronomy) is a feasibility study funded by ESA that started in March 2022 and is the continuation of the project âLOFAR in SSA SWE...
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New aerial images of superterp
© CC-BY 4.0 data.overheid.nl As every year, the Dutch Kadaster has published new aerial imagery of The Netherlands. This provides a nice look of the superterp. Because the photos are on high resolution...
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A year with a yagi
© CC-BY 4.0 CAMRAS Next to the Dwingeloo Telescope, a yagi antenna continuously observes the skies in the 2m-band. It is pointed toward South, to catch meteor reflections of terrestrial narrow-band...
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New aerial images of ASTRON
© CC-BY 4.0 data.overheid.nl This image, taken in the summer of 2022, shows the ASTRON premises. Apparently, the photo was taken in a weekend, since there are no cars in the parking lot. The resolution...
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