News & Events

The 8th LOFAR Data School will take place from 16–23 September 2026 at ASTRON, the Netherlands Institute for Radio Astronomy, in Dwingeloo, the Netherlands. The registration is now open at: https://acme-lds2026.sciencesconf.org/

Participants will learn about generating and analysing LOFAR science-ready data. The programme focuses on hands-on experience with interferometric and beamformed observations. We will discuss key science cases including imaging of extended faint sources, exoplanet searches, analysis of solar emission, and pulsar and high time-variability studies. Additionally, we will present an overview of the LOFAR2.0 upgrade and discuss the new scientific opportunities that this enhanced facility will enable.

This edition will run from Wednesday to Wednesday, including a weekend. One of the weekend days will feature an excursion to LOFAR.

Practical details

The school is aimed at participants who are new to LOFAR

Location: ASTRON

Registration fee: approximately 150 EUR (including reception, lunches, school dinner, LOFAR site visit, and local transport)

Accommodation: Participants will arrange and pay for their own stay at nearby hotels

Registration closes: 20 April 2026

A limited number of fee waivers and travel support grants will be available.

For more details please visit: https://acme-lds2026.sciencesconf.org/

For any questions please contact us at: lofarschool@astron.nl

LOC: A. Shulevski (co-chair), E. van der Wateren (co-chair), A. Ahmadi, N. Peters, V. Kondratiev, E. Orrù, L. Elpenhof

DETAILS

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.

Speaker

Institute

Host

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.

Speaker

Institute

Host

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Colloquia

The Commensal Radio Astronomy FAST Survey (CRAFTS)

Extreme UV Emission: Bridging Galaxy Evolution Across Cosmic Time

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@astron

News & Events

News

Events

Daily image

Colloquia

The Commensal Radio Astronomy FAST Survey (CRAFTS)

Extreme UV Emission: Bridging Galaxy Evolution Across Cosmic Time

Subscribe to the ASTRON newsletter. For previous editions, click here.

Subscribe to the LOFAR newsletter:

For previous editions, click here.

To view the current and previous editions of the LOFAR2.0 newsletter, click here.

@astron

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