Telescopes

ASTRON is responsible for the operations of the Westerbork Synthesis Radio Telescope (WSRT) and the Low Frequency Array (LOFAR).

Astronomy

The astronomical research at ASTRON is closely aligned with the strengths of our facilities LOFAR and WSRT-APERTIF.

Research and Innovation


Radio astronomy delivers important breakthrough technology for our society.

News & Events


Read all our latest news here.

Making discoveries
in radio astronomy
happen.

ASTRON is the Netherlands Institute for Radio Astronomy, and is part of the Institutes organisation of NWO.
STORIES
Simultaneous optical and radio observations of Perseids

From today (August 11th) up until Friday the yearly Perseids meteor shower will have its peak. This phenomenon is not only interesting for amateur astronomers, professional astronomers will be observing them as well.

Humans of ASTRON: Jorrit Siebenga

In Humans of ASTRON we share stories about the people at ASTRON. Who are the people behind the discoveries and innovations and also, who are the people that make sure that everything runs smoothly? In this second part of the series, we’ll be sharing the story of Jorrit Siebenga, who joined ASTRON in 2017 as research instrument maker.

Women Astronomers Day

Throughout the history of astronomy, women have played essential roles towards astronomical breakthroughs. In this article we highlight but a few of these women identified in history from 1600 to the modern era.

Humans of ASTRON: Emanuela Orrù

In Humans of ASTRON we share stories about the people at ASTRON. Who are the people behind the discoveries and innovations and also, who are the people that make sure that everything runs smoothly? In this second part of the series, we’ll be sharing the story of Emanuela Orrù, support scientist at ASTRON since 2012.

What we look forward to in LOFAR 2.0: Live warning system to study solar eruptions
What we look forward to in LOFAR 2.0: Habitability of alien worlds
What we look forward to in LOFAR 2.0: Cranking up LOFAR’s robustness
What we look forward to in LOFAR 2.0: LOFAR expands to Italy
Nearest fast radio burst source is regularly active
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DAILY IMAGE
All Dutch LOFAR LBA dipoles 2025

© CC-BY-SA 4.0 Tammo Jan Dijkema

This image shows all Dutch LBA dipoles of LOFAR. The pictures were taken in 2025 by the Dutch land registry (kadaster). The cutouts are taken around the coordinates in the LOFAR database, so this picture shows that all coordinates are correct. One station was found to have a small offset, this has been reported.

This image is available at this 5-8cm per pixel resolution - 60x60 pixels per dipole - for every year starting 2021. The version from 2026 will be online very soon.

It is a fun exercise to find all fallen dipoles. Our maintenance crew regularly fixes this. Also, can you spot the one Nenufar dipole?

EVENTS
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