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Collaboration tools in the LOFAR2.0 Station Team

© ASTRON The LOFAR2.0 Station project is a complex project with several work packages and people spread over the AG, R&D and RO divisions of ASTRON. Work packages such as System Engineering, RCU2,...

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End of EMBRACE

© JP With a little sadness are we taking this test antenna apart. At the start in 2008, we thought that we would need this "proof of principle" for only one, maximum two years of operation.Now the...

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LOFAR maintenance @ safe distance

© L.vd Bult/D.Schrama In these strange times of working from home LOFAR maintenace goes on! In the field it's not so hard to keep safe distance.With our new collegues Denis Schrama and Derkjan Pepping...

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Virtual ASTRON office with virtual LOFAR room

© ASTRON Instead of the LOFAR room and ASTRON building we are trying a virtual office called Sococo. In this virtual office we work, have social chats, and run our daily Station team standup meetings....

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Luis Henry Quiroga-Nuñez defended his thesis in style

© photo credit to Andres Perez He came to Dwingeloo from Colombia for the first time in 2012 as a JIVE summer student and on March 12 2020, Luis Henry Quiroga-Nuñez successfully defended his PhD...

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Lunar craters

© Rik ter Horst It has been a while since I had the chance to use my telescope. The night of March 31 promised to be a good one, so I took my 250 mm Schmidt-Cassegrain telescope outside. With the moon...

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ERC Advanced Grant for Erwin de Blok

© credit: South African Radio Astronomical Observatory Prof. Dr. Erwin de Blok from the Astronomy Group has been awarded a 2.5 MEuro European Research Council (ERC) Advanced Grant for his "MeerGas"...

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The timing stability of three Black Widow pulsars

© Ann-Sofie Bak Nielsen, Gemma Janssen, Golam Shaifullah, Cees Bassa Black widow pulsars are binary systems where the high energy emission from the millisecond pulsar is ablating the surface of their...

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Venus passes the Pleiades above Dwingeloo

© CC-BY-4.0 Tammo Jan Dijkema Like every 8 years, Venus passed the Pleiades on the evening of April 3rd. I went to the Dwingelderveld (keeping 1.5 km distance) to take a photo with the Dwingeloo...

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Unknown unknowns: MeerKAT discovers strange filaments connecting the radio...

© published in A&A. Ramatsoku et al, 2020 When dealing with data from a new telescope, one routinely expects surprises of the technical variety. But sometimes the Universe itself throws a...

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Queen Juliana on the Dwingeloo Radio Telescope

© CC0, foto: Joop van Bilsen, Nationaal Archief / Anefo Today exactly 64 years ago, on 17 April 1956, Queen Juliana opened the Dwingeloo telescope, guided by Professor Oort. The image shows Her Majesty...

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LOFAR4SW reach an important milestone

© C. Baldovin The project LOFAR4SW (funded by the EC program H2020) will deliver a fully documented design to enable LOFAR to be used as a space weather instrument, in parallel to radio astronomy...

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Thumbs up for TMSS!

© TMSS team A team of software engineers and telescope scientists at ASTRON is realizing a brand-new software application for the specification, administration, and scheduling of LOFAR observations....

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An AJDI integration for Slack

© - The Astron/JIVE Daily Image (AJDI) is now also available in the Slack channel #ajdi. For all home workers who miss the big screen in the canteen, the Slack channel can provide an alternative means...

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Guiding users on the scheduling of EVN observations

© – Very long baseline interferometry (VLBI) observations, including the ones conducted with the European VLBI Network (EVN), have been traditionally scheduled using the NRAO SCHED program. Users are...

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Predictions for prompt low-frequency radio emission from gamma-ray bursts

© Starling et al. 2020 (MNRAS in press) Gamma-ray bursts (GRBs) are the explosive end states of massive stars and some compact binary mergers. The prompt pulses (Fig 1, UK Swift Science Data Centre)...

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The GLEAM 4-Jy (G4Jy) Sample: the ‘brightest’ radio-sources in the...

© Copyright © 2020 Sarah White, accepted for publication in PASA, https://arxiv.org/abs/2004.13125 Low-frequency radio emission allows powerful active galactic nuclei (AGN) to be selected in a way...

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Commemorating war victims with the Westerbork telescope

© ASTRON/Herinneringscentrum Kamp Westerbork Every year on May 5, we celebrate our freedom in The Netherlands. And every year on May 4, we commemorate the victims who fought for our freedom during the...

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Imaging RFI issues at RS210

© CC-BY-4.0 Tammo Jan Dijkema Recently some intermittent interference was spotted at RS210 near Weerselo. Menno downloaded some single subband correlation matrices off the station, to diagnose the...

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In Memoriam Wout Beerekamp (1941-2020)

© Beerekamp family Wout joined ASTRON (then called SRZM) in 1965, as part of the team that looked after the famous 25m radio telescope in Dwingeloo, which was once the largest in the World. He was...

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