UNSW and ATNF seminars next week from Prof. Aline Vidotto [SEC=OFFICIAL]

[Pritchard, Josh (S&A, Marsfield)]

OFFICIAL

Hi all,

Next week Prof. Aline Vidotto (Observatory of Leiden University, Netherlands) will be visiting Sydney and delivering a pair of seminars on Exo-space weather at UNSW and CSIRO / ATNF in Marsfield.

I am sharing a joint advertisement for these events below and welcome anyone from SPRIGS to join!

The talk at ATNF will be held on Monday 22nd September at 3pm in the Marsfield lecture theatre and streamed online via MS Teams—please find connection details below.

The talk at UNSW will be held on Wednesday 24th September at 1pm in Old Main Building G59. The nearest light rail stop is the L3 UNSW Anzac Parade station.

Please find talk details and Teams connection details below.

Cheers,

Josh

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Speaker: Prof. Aline Vidotto (Observatory of Leiden University, Netherlands)

Title: Exo-space weather: the interaction between exoplanets & the host star environments

Abstract: 

Activity of cool dwarf stars can reveal itself in the form of high-energy radiation (eg, enhanced X-ray coronal emission, flares) and particles (eg, winds, coronal mass ejections). Together, these phenomena shape the space weather around (exo)planets. Because most of the known exoplanets have significantly closer orbital distances than solar system planets, they are often embedded in much harsher particle and radiation environments, leading to stronger interactions between the exoplanet and its surrounding environment.

In this talk I will present some of our recent modelling efforts investigating how stellar activity and outflows can induce and shape atmospheric escape in exoplanets. I will also present the other side of the story: how (and when) exoplanets can affect the host star, in particular, focusing on radio emission that exoplanets can induce in the coronae of stars. Altogether, these interactions can help us characterise the system, putting physical constraints on planetary properties (such as their still elusive magnetic fields) as well as properties of the winds of planet hosting stars.

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