Astronomy

The astronomical research at ASTRON is closely aligned to our facilities LOFAR and WSRT-APERTIF and contributes to the development and definition of the scientific programme and capabilities of the next generation of major international facilities such as the Square Kilometre Array (SKA). Topics include the detection and characterisation of fast radio bursts, the evolution of gas and star formation in distant and nearby galaxies, the detection of radiation from the epoch of reionisation, testing theories of gravity and detecting gravitational waves with compact objects.

Gravitational lensing

Gravitational lensing is observed when light from a star or galaxy is deflected by the gravity of a massive object, typically a galaxy or cluster of galaxies.

Space Weather

The Earth’s magnetic field shields us from the constant stream of charged particles emitted from the sun known as solar wind.

Clusters

As the Universe evolves, gravity brings together hundreds, sometimes thousands of galaxies together to form galaxy clusters.

Low Frequency Surveys

The LOFAR telescope is used to conduct wide and deep surveys with unprecedented resolution and sensitivity at low radio frequencies.

Cosmology

A prominent research theme at ASTRON involves the study of Cosmic Dawn (CD) and Epoch of Reionization (EoR) with LOFAR.

Compact objects

Pulsars are fast rotating neutron stars that emit narrow beams of electromagnetic radiation at highly regular intervals.

Active Galactic Nuclei

At the center of most galaxies lies a supermassive black hole that swallows material and in the process produces the brightest radiation in the universe across multiple wavelengths.

Radio Transients

The universe is teeming with objects that exhibit drastic variations in brightness over time scale from milliseconds to years.

Nearby galaxies

A core area of research for astronomers at ASTRON is the study of the formation and evolution of nearby galaxies.

Astronomy Publications

Scientific publications of ASTRON astronomers from the current year back to 2008.

Latest tweets

The Dutch astronomy magazine @ZenitNL devoted an article to our solar radio telescope DISTURB. You can read the article here:
https://bit.ly/3qhJFbf

We've made a new video of our walking route the #Melkwegpad.
https://youtu.be/UBBH7rUJOk8 via @YouTube

Daily image of the week: DR1. The Apertif imaging team has released science data from the first year of science operations of WSRT-Apertif, which can now be accessed by the scientific community.
https://bit.ly/370W3Uf
#radioastronomy #DR1

In about half an hour, at 12.15, ASTRON researcher @AJBoonstra will be live in the Dutch radio programme 'Zoek het uit!' on @RTVDrenthe to answer some questions about the Westerbork synthesis radio telescope. You can tune in here: https://www.rtvdrenthe.nl/radio
#WSRT #radioastronomy

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