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Upgrade Melkwegpad
© ASTRON Earlier this year, we started the project Upgrade Milky Way Path. The aim of this project is to realise an up-to-date footpath near to the Westerbork telescopes. Along this trail, there are 22...
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Colloquium: Searching for fast radio bursts with MeerKAT
© NA Fast radio bursts (FRBs) have a story which has been told and retold many times over the past few years as they have sparked excitement and controversy since the pioneering discovery in 2007. The...
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EVN Seminar: Tying the Sky to the Ground
© JIVE & Iván MartÃ-Vidal A new edition of the EVN Online Seminars will take place this Friday July 9 at 15:00.Iván MartÃ-Vidal (University of Valencia) will be our speaker, and her talk would...
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CNC-milling a corrugated horn antenna
© Mechanical Department Today, a mechanical build worth sharing.Last month we were challenged by TU/e student Sjoerd Aker with a classic antenna design, a corrugated horn antenna or feed.Our...
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Charging an electric car
© Astron LOFAR is a pretty sensitive radio telescope, especially in the low band mode from 10 to 90 MHz. In the past we found RFI from LED lamps, air conditioner units, electric fence and other...
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New HBA tile prototype... it works!
© M. Ruiter, M. Mevius Over the past months, there has been intense work for the LOFAR4SW team in the different partner institutes. In particular, WP5: Hardware design - led by ASTRON and in...
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RadioAstron observations of the H2O maser emission in the star forming region...
© Image credit: Nadya Shakhvorostova / RadioAstron Water vapor masers are commonly used as an important tool for the study of the star formation process as well as scattering in the interstellar...
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Reaching the skies
© Cities and Skies (https://cities-and-skies.com/)The Dwingeloo RT is an iconic telescope that has studied the Milky Way for over 50 years. It made important discoveries, like revealing the flattening...
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Colloquium: Astronomy and climate crisis: are we part of the problem or part...
© Image credit: Victoria Grinberg (Astronomers for Planet Earth) Why should astronomers think and talk about the climate crisis? Is astronomy contributing to the global warming? Can we just ignore what...
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"Nothing compares to the simple pleasure of riding a bike"
© ASTRON When you work in such an interesting and beautifully situated place like ASTRON, right on the edge of a most unique national park, why would you even consider to skip an opportunity to enjoy...
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Eco antennas on the testfield
© R. Witvers Modern low frequency radio telescope systems use large amounts of antennas for realizing the desired high sensitivity. The cost of the antennas need therefor to be as low as possible. The...
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Kelly Gourdji successfully defends thesis
© Various On Friday 17th September, Kelly Gourdji successfully defended her PhD at the University of Amsterdam watched on by her very proud Supervisor (dr. Antonia Rowlinson, ASTRON & UvA) and...
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Anchoring LBA and HBA antennas
© none Zabet Ahmadi has been working for Astron for many years, constructing LOFAR stations all over Europe. This season he is supporting Maintenance and is occupied with issues from the LOCAL report....
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Radio interferometry with microarcsecond resolution: beyond RadioAstron and EHT
© Image credit: Leonid Gurvits Ultra-high angular resolution in astronomy has always been an important vehicle for making fundamental discoveries. Recent results in direct imaging of the vicinity of...
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Telescopen Puzzelroute LOFAR
© ASTRON / RouteDesigner One of the first challenges in my new role in the Communications group was to think of possible coronaproof ASTRON activities in the 'Weekend van de Wetenschap' (2/3 October...
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Exit words master/slave from our code
© ASTRON In software and electronics we often borrow words from our daily lives to name technical relations, for example male/female (connector) mother/daughter (board), client/server, parent/child....
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The baryonic Tully-Fisher relation over the last billion years
© Anastasia Ponomareva The baryonic Tully-Fisher relation (bTFr) is one of the most fundamental scaling relations of spiral galaxies which connects its baryonic mass to their Dark Matter content....
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Honorary Professor appointment at the Kapteyn Astronomical Institute of the...
© Jason Hessels ASTRON's Erwin de Blok has been appointed as Honorary Professor in the Structure and Evolution of Nearby Galaxies at the Kapteyn Astronomical Institute of the University of Groningen....
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Colloquium: The zoo of brightness temperature distribution in parsec-scale...
© Image credit: Evgeniya V. Kravchenko (Moscow Institute of Physics and Technology) The most promising model of AGNs suggests that their radio emission is explained by synchotron radiation from...
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Flying the rainbow flag for Diversity Day & Coming Out Day
© ASTRON By flying the rainbow flag, ASTRON/JIVE want to emphasise that diversity is an important theme. The 5th of October was National Diversity Day, a day to work on improving diversity in all its...
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