Wednesday afternoon colloquia

The API colloquia are weekly meetings where people give a 45 minute overview of their work. Afterwards there is time for discussion. At the end of each month the colloquia are jointly held with GRAPPA. Biscuits provided, along with wine and cheese after the colloquium.

The contact person for the regular API colloquia is Phil Uttley.
The contact person for the joint GRAPPA/API colloquia is Jacco Vink.

Upcoming colloquia

AGN disc winds: interpreting the X-ray spectra of accreting super-massive black holes

Stuart Sim — Queen's University Belfast

One of the exciting discoveries made with the current generation of X-ray observatories was the identification of highly blue-shifted, narrow absorption lines in the spectra of some active galactic nuclei. These features imply the presence of fast, highly ionized outflows that were previously unknown. This is of considerable interest since AGN outflows are a possible feedback mechanism by which growing super-massive black holes can influence their host galaxies.

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Wednesday 19 June 2013, 15:30. Location: C4.174

Powering of cool filaments in the cores of galaxy clusters

Eugene Churazov — Max-Planck-Institut für Astrophysik

Eugene Churazov is one of the most versatile astrophysicist around, working both as theorist and on data analysis. In the colloquium will tells us all about the importance of magnetic fields in cool core clusters of galaxies.

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Wednesday 26 June 2013, 15:30. Location: C4.174

Title not yet known

Pamela Klaassen — Leiden

Wednesday 11 September 2013, 15:30. Location: C4.174

Title not yet known

Ohad Shemmer — University of North Texas

Friday 13 September 2013, 15:30. Location: TBC

Title not yet known (NOVA colloquium)

Roberto Maiolino — University of Cambridge

Wednesday 23 October 2013, 15:30. Location: C4.174

Title not yet known (GRAPPA/API)

Cecilia Ceccarelli — Institute de Planétologie & d'Astrophysique de Grenoble

Wednesday 27 November 2013, 15:30

Title not yet known (NOVA colloquium)

Nuria Calvet — University of Michigan

Wednesday 7 May 2014, 15:30. Location: C4.174


Past colloquia

Dissecting the Galactic Halo (NOVA Colloquium)

Kathryn Johnston — Columbia University

Larger structures in the Universe are thought to form hierarchically from the mergers of many smaller structures. This talk will present three topics that exploit this nature to learn about the Galaxy.

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Wednesday 5 June 2013, 15:30. Location: C4.174

Particle Acceleration by Shocks (GRAPPA/API)

Tony Bell — Clarendon Laboratory, Oxford University

Hear all about astrophysical particle acceleration from the person who is one of the founding fathers of Fermi shock acceleration theory.

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Wednesday 29 May 2013, 15:30. Location: C4.174

Anton Pannekoek's research on the structure of the universe

Chao Kang Tai — Institute for History and Foundations of Science, Utrecht University

Anton Pannekoek was a man of many talents. He was a pioneer of Dutch astronomy and astrophysics, a well respected historian of astronomy, and one of the main figures of the international socialist movement.

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Friday 26 April 2013, 15:00. Location: C4.174

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