Astronomers using the Low Frequency Array (LOFAR) report the sharpest and most sensitive low-frequency radio view of the sky yet. The studies present ultra-deep LOFAR images that detect tens of thousands of radio sources, revealing populations such as active galactic nuclei and star-forming galaxies. The results are tied to published work and an arXiv preprint, reflecting ongoing peer-review and technical validation.
One focus is a very deep, wide-field LOFAR view that covers a patch of sky about 25 times the area of the full Moon and contains nearly 63,000 radio sources. Another outlet emphasizes the technical performance and scope of an ultra-deep LOFAR dataset of the ELAIS-N1 field, built from 200 hours of observations in the 115–168 MHz band. That work highlights sub-arcsecond resolution, low point-source sensitivity, careful calibration and astrometric alignment using Gaia quasars, and prospects for detailed polarisation studies.
Across the sources, the shared emphasis is on improved imaging capability—greater depth and finer angular resolution at low radio frequencies—alongside the survey-scale effort required to assemble large radio catalogues.
