June 2025 - Lofar-group-meeting - mailing lists STRW

No group meeting this week
by Lars Abbo 26 Jun '25

26 Jun '25

Dear all, There won't be a group meeting this week due to the soccer tournament and the BBQ. See you all next week! The schedule for presentations can be found here <https://docs.google.com/spreadsheets/d/1bKov20ETMfkOpjDzABpRKvN5oiGwS1NknI3…>. If you have a plot or update you want to briefly share, you can put it in the slides: https://docs.google.com/presentation/d/1tgzFJgfK_4asX-8xpuNKWMJDVqXe0v8DeGz… Zoom link: https://universiteitleiden.zoom.us/j/62610408145?pwd=jTfqIJV8RXbGqqcKTe9ueW… If you know someone who would like to be added to the mailing list, please feel free to contact me. Best, Lars

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No group meeting this week
by Lars Abbo 19 Jun '25

19 Jun '25

Dear all, There will be no group meeting this week due to Mariska's oratie. The schedule for presentations can be found here <https://docs.google.com/spreadsheets/d/1bKov20ETMfkOpjDzABpRKvN5oiGwS1NknI3…>. If you have a plot or update you want to briefly share, you can put it in the slides: https://docs.google.com/presentation/d/1tgzFJgfK_4asX-8xpuNKWMJDVqXe0v8DeGz… Zoom link: https://universiteitleiden.zoom.us/j/62610408145?pwd=jTfqIJV8RXbGqqcKTe9ueW… If you know someone who would like to be added to the mailing list, please feel free to contact me. Best, Lars

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Next meeting Friday 15:00 in CE.0.08
by Lars Abbo 12 Jun '25

12 Jun '25

Dear all, The next LOFAR group meeting will happen on Friday at 15:00 in CE.0.08. The schedule for presentations can be found here <https://docs.google.com/spreadsheets/d/1bKov20ETMfkOpjDzABpRKvN5oiGwS1NknI3…>. If you have a plot or update you want to briefly share, you can put it in the slides: https://docs.google.com/presentation/d/1tgzFJgfK_4asX-8xpuNKWMJDVqXe0v8DeGz… Zoom link: https://universiteitleiden.zoom.us/j/62610408145?pwd=jTfqIJV8RXbGqqcKTe9ueW… If you know someone who would like to be added to the mailing list, please feel free to contact me. Best, Lars

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Next meeting Friday 15:00 in CE.0.08
by Lars Abbo 05 Jun '25

05 Jun '25

Dear all, The next LOFAR group meeting will happen on Friday at 15:00 in CE.0.08. The schedule for presentations can be found here <https://docs.google.com/spreadsheets/d/1bKov20ETMfkOpjDzABpRKvN5oiGwS1NknI3…>. If you have a plot or update you want to briefly share, you can put it in the slides: https://docs.google.com/presentation/d/1tgzFJgfK_4asX-8xpuNKWMJDVqXe0v8DeGz… Zoom link: https://universiteitleiden.zoom.us/j/62610408145?pwd=jTfqIJV8RXbGqqcKTe9ueW… If you know someone who would like to be added to the mailing list, please feel free to contact me. Best, Lars

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Fwd: PhD Colloquium Christian Groeneveld
by Reinout van Weeren 02 Jun '25

02 Jun '25

> Begin forwarded message: > > From: Sterrewacht Colloquium Notifier <noreply(a)strw.leidenuniv.nl> > Subject: Leiden Colloquium Notification > Date: 2 June 2025 at 09:30:02 CEST > > > This weeks's PhDCol > > Speaker: Christian Groeneveld () > > Title: ''Galaxy clusters in the decametre sky'' > > Many galaxy clusters exhibit bright diffuse radio emission that traces > the underlying structure of the intracluster medium (ICM). Determining > the properties and uncovering the origin of this diffuse emission are > essential for understanding the fundamental physics of the plasma in > galaxy clusters. In particular, observations of diffuse emission in > galaxy clusters provide unique insights into magnetic fields permeating > the ICM, the merger history, and the nature of the relativistic > electron plasma resulting from ancient AGN outbursts. nDetecting > diffuse radio plasma in a large sample of galaxy clusters requires > deep, high-sensitivity observations with sufficient angular resolution > to accurately subtract compact sources. This is now feasible thanks to > the Low-Frequency Array (LOFAR). In particular, the low-band antenna > (LBA) allows us to observe diffuse emission at ultra-low radio > frequencies. In this presentation, we present novel calibration > strategies that allow us to reduce LOFAR LBA data at unprecedented low > frequencies (between 10-30 MHz), as well as LOFAR LBA data with > international baselines. > > Date: Monday 2025-06-02 > Time: 13:15 > Location: BE 0.18 > Host: > > > >

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