Huub Röttgering: LOFAR Surveys: A New Window on the Universe


Jueves, 24 Julio 2025 2 p.m. — 3 p.m. MST

Gemini North Hilo Base Facility | 670 N A’ohoku Place Hilo, Hawaii, 96720, USA

Gemini North Talks
Huub Röttgering (Leiden Observatory)

The Low-Frequency Array (LOFAR) is a pan-European radio telescope whose massive data-taking and processing capabilities make it an unprecedented, powerful instrument for carrying out the deepest and widest radio surveys at the lowest radio frequencies accessible from the ground. Over the last few years, we have addressed important issues related to the analysis and calibration of the radio data so that we can now make thermal noise-limited maps at low frequencies. The resulting maps enable studies of a wide range of scientific topics ranging from (i) shocks in merging clusters, (ii) radio feedback processes, (iii) star formation in distant galaxies and (iv) the most distant radio AGN, close to the epoch of reionisation. In this talk, I will first discuss our solutions to the main technical challenges. Secondly, scientific highlights related to these four topics will be given

For Zoom connection information, please contact Emanuele Paolo Farina (emanuele.farina_at_noirlab.edu).

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