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LOFAR Annual Meeting 2026

© Roberto Pizzo

The 2026 edition of the LOFAR Annual Meeting took place between 8-12 June at the impressive Trinity College in Dublin (Ireland). Hosted by the Dublin Institute for Advanced Studies (DIAS), the event gathered 113 LOFAR enthusiasts from all over the globe working on a broad spectrum of scientific topics.

The program featured a very broad range of talks and posters showcasing recent findings and advancements in LOFAR science, including cosmic magnetism, galaxy evolution, transient phenomena, large-scale structure, solar physics, and space weather, as well as advances in data processing and instrumentation.

During the event, we also hosted an Observatory session to highlight the current status of the LOFAR2.0 upgrade and developments and the plans towards the start of the LOFAR2.0 operations, including the next steps of the review process of the LOFAR2.0 Large Programs. We gave particular emphasis to the commissioning activities of the instrument, for which a comprehensive overview of achievements was presented and demonstrated the incredible progress being made. It was evident in the community that people are eager to start using the upgraded system as soon as possible.

Besides the scientific and technical program, the participants enjoyed a wonderful conference dinner at the Trinity College Dublin Dining Hall. The stunning interiors provided the setting for an incredible showcase of traditional Irish music and dance. Various participants could not resist joining the dance!

More information about the conference, including access to the presentations and resources shared during the event (coming soon!) are available on the official conference website at https://indico.lofar.eu/event/42/overview

Colloquia

May 1, 2022

The Commensal Radio Astronomy FAST Survey (CRAFTS)

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has released its first call for proposal and will be open to the international community next year. Based on a novel technique of high-cadence CAL injection, we have realized the world's first calibrated commensal survey mode, simultaneously taking data for pulsar search, HI galaxies, HI imaging, and FRBs. I introduce here one of the major survey plans, namely, the Commensal Radio Astronomy FAST Survey (CRAFTS, Li et al. 2018), which has discovered more than 100 new pulsars, including a few dozen MSPs, 5 new FRBs, including one new repeater. I will also briefly describe recent FAST results from CRAFTS and other dedicated programs, including new insights into the characteristic energy of FRBs, the formation process of neutron stars, the evolution of interstellar medium, etc.
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Institute
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May 14, 2022

Extreme UV Emission: Bridging Galaxy Evolution Across Cosmic Time

In the last few years, our first glimpse of the spectral properties of z∼5−7 galaxies has emerged. Deep UV spectra have revealed prominent high-ionization nebular emission lines (i.e., C IV, He II, C III]) indicating that extreme radiation fields may be characteristic of reionization-era systems. While such strong high-ionization emission lines are atypical of the well-studied z∼0−3 galaxy samples, our recent UV spectral campaigns have revealed several galaxies with analogous emission-line features to reionization-era systems. I will discuss the recent detection of extremely strong UV emission in nearby galaxies and the potential sources of their very hard ionizing radiation fields. Such strong detections of high-ionization emission lines have been linked to the leakage of Lyman continuum (LyC) photons (necessary for reionization) both theoretically and observationally. These extreme UV emission-line dwarf galaxies provide a template for the extreme conditions that are important for reionization, however their features are still poorly understood. In preparation for the coming UV window onto the early universe with the advent of ELTs and JWST, I will introduce the COS Legacy Archival Spectroscopic SurveY - an upcoming large HST program designed to disentangle the stellar and nebular spectral signatures of 45 star-forming galaxies. This program will calibrate new UV diagnostics that will allow us to trace galaxy evolution to the distant universe, unveiling the properties of reionization-era galaxies.
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