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Public Lecture

“Exoplanets and their host stars”

By Dr Aline Vidotto, Astrophysics Department, Trinity College Dublin

May 8th 2017
Venue: Physics Building Trinity College Dublin

Book Tickets May 2017
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Lecture DVD May 2017
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About the Lecture

As of 1st of April 2017 there has been 3,607 planets discovered orbiting around 2,701 planetary systems. There are planets that are so near to their star that they take only a few hours to orbit and there are others so far away that they take thousands of years to orbit.

One of the most important lessons learned from the discovery of more than 3000 exoplanets (and counting) is the very large variety of planetary systems encountered in nature. In this talk, she will give an overview some of the (surprising) trends that have emerged from exoplanet searches. She will then describe how exoplanets can be affected by their host stars and will show that there are interactions between host stars and exoplanets that have no parallel in the solar system. These interactions can generate observable signatures, thus providing other avenues for exoplanet detection and assessing some exoplanetary properties, which would otherwise remain unknown.


About the Lecturer


Dr. Aline Vidotto formerly of the University of St. Andrews is now assistant professor in the School of Physics, Trinity College Dublin.

Her Main Research Interests: Solar-like stars (main sequence and pre-main sequence) & low-mass stars: magnetised coronal winds, rotating outflows, structure of the coronal magnetic field, angular momentum loss, magnetic interaction between planets and the host star, accretion disks.

Formation of bow shocks due to magnetic interaction between planets and the host star. Radio emission through electron-cyclotron maser instability. Cool supergiant stars: models of winds driven by Alfven waves, wind heating by dissipation of Alfven waves, charged dust-wave interaction. Three-dimensional simulations, time-dependent effects, adaptive mesh refinement.


After the lecture there will be a social reception in The Lombard and we encourage all of you to come along for a chat.
All are welcome to attend and free food will be kindly provided by The Lombard.

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A prize draw will be held after the lecture.


Booking Information

Date Monday 8th May
Subject to change - please check back later
Time 8:00p.m.

Physics Department , Fitzgerald Building, Trinity College Dublin.
There is an entrance on Lincoln Place (not far from the Merrion Square end of TCD). If you get the DART or bus to Pearse St, or drive. Use the Science Gallery entrance on Pearse Street (near the corner with Westland Row) There are maps here:  Here

Parking: Mark Street , Marks Lane , Lombard St. East .

Free Parking on the above streets after 7pm
Click HERE for a building map of Trinity College campus
Click HERE for Map of area

Admission €10 (€5 Astronomy Ireland members and concessions)
Tickets where possible should be booked in advance. Tickets can also be purchased at the door on the night, please come along 15 minutes early to accommodate.
Book Tickets May 2017
Enter Phone Number

Call 086 06 46 555 to book tickets over the phone using Debit/ Credit Card
Send a cheque/ PO/ Draft, made payable to Astronomy Ireland to PO BOX 2888, Dublin 5.


This lecture is also available to people nationwide on DVD.
To order a copy of the DVD simply:
Order by credit/ debit card online
Lecture DVD May 2017
Enter Phone Number
Call 086 06 46 555
Alternatively post a Cheque or postal order to: Astronomy Ireland, PO. Box 2888, Dublin 5.
Cost: DVD's cost €10 each incl P&P (€5 Astronomy Ireland members)
Book Tickets May 2017
Enter Phone Number
Lecture DVD May 2017
Enter Phone Number

Acknowledgment: Astronomy Ireland would like to thank the TCD Astrophysics Research Group for hosting AI public lectures in Trinity College Dublin.

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