LOFAR news
Radio waves leaking from large satellite constellations could jeopardize astronomical exploration
The LOFAR radio telescope has shown that satellites can unintentionally emit radio waves that interfere with the observations of radio telescopes. Satellites circle the globe in ever increasing numbers. Their radio emission could, if not addressed, close unique and scientifically valuable windows into the Universe. It is of crucial importance for the astronomy sector and industry to collaborate to overcome these issues and for the International Telecommunications Union to establish regulation to control this emission.
Animation explaining the workings of LOFAR
We have created an animation, which briefly explains the workings of our LOFAR radio telescope.
ASTRON astronomy groups focus on LOFAR and SKA
Recently, the astronomy group within the A&O department of ASTRON went through a reformation: instead of several focus groups, it now consists of two groups: the LOFAR Science Group and the SKA Science Group. The LOFAR Science Group is led by André Offringa, the SKA Science Group by Joe Callingham.
Major upgrade of International LOFAR Telescope approved
The ILT Board has approved the order for the LOFAR2.0 upgrade of all 52 stations plus 2 additional stations of the International LOFAR Telescope (ILT), plus spare parts. A total of € 10 million investment goes to orders at the Dutch companies Neways, Major Electronics, Variass, and Batenburg Industriële Elektronica.
LOFAR detects gigantic radio sources in the universe
An international research team has discovered four radio sources of up to ten million light years in size: megahalos.
NenuFAR officially becomes a LOFAR super station
The low-frequency radio telescope NenuFAR will be connected to the international LOFAR telescope, operated by ASTRON, the Netherlands Institute for Radio Astronomy.
Flurry of new discoveries as incredible new image revealing 4.4 million galaxies is made public
Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. It reveals an astonishingly detailed radio image of more than 4.4 million objects and a very dynamic picture of our Universe.
Astronomers find largest radio galaxy ever
By a stroke of luck, a team led by Dutch PhD student Martijn Oei has discovered a radio galaxy of at least 16 million light-years long.
Gigapixel radio image of the Universe using Europe as a radio telescope
An international team of astronomers has created one of the largest and most detailed radio maps at megahertz frequencies thanks to Dutch supercomputers. This research, led by Frits Sweijen at Leiden University, has been published in Nature Astronomy on Thursday.
Two ERC Starting Grants awarded to (space) weather research projects with the LOFAR radio telescope
The European Research Council (ERC) has awarded two of its prestigious Starting Grants to ASTRON scientists for research projects using the LOFAR radio telescope. One project will use LOFAR to create detailed images of lightning on Earth, the other aims to detect space weather events and magnetic fields around exoplanets.
Volcanic ‘activity’ in black holes blows monumental bubbles spanning hundreds of thousands of light years
An international team of researchers, which included astronomers from the Netherlands Institutes for Radio Astronomy (ASTRON) and Space Research (SRON) as well as Leiden University, observed the full extent of the evolution of hot gas produced by an active black hole for the first time.
Aurorae discovered on distant stars suggest hidden planets
Using the world’s most powerful radio telescope, LOFAR, scientists have discovered stars unexpectedly blasting out radio waves, possibly indicating the existence of hidden planets.