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"Live fast and die hard: the evolution and death of massive stars"

By Prof. Jose Groh, NASA SCIENTIST

8pm Monday October 14th. ALL WELCOME



Stars more massive than 8 Suns end their lives in dramatic supernova explosions.

But before dying, these monster stars have tumultuous lives when they blow winds, suffer giant eruptions, and interact with companion stars.

In this talk, Prof. Jose Groh (TCD) will give an overview on the fast lives of the most massive stars in the Universe and how they evolve.

He will also discuss the roles of massive, monster stars as cosmic engines of the Universe.

We have just discovered that all the giant atoms in our bodies, essential to life, are NOT made in a supernova. So, where does your life come from? Come and find out, and bring everyone you know!






This is a lecture for the general public and our speaker will assume no prior knowledge of science, but here are his credentials to show why he is a world authority in this area:

Research Interests

  • Physical processes responsible for how stars evolve, die, and affect the Universe. My focus has been on: Progenitors of stellar explosions, such as Supernovae and Gamma-ray bursts
  • Evolution of massive stars across cosmic time ? Outflows and atmospheres of massive stars
  • First stars, their fates, and their impacts on the Universe I have been employing theoretical and observational approaches, combining multi-disciplinary techniques:
  • Multi-dimension radiative transfer and hydrodynamical modeling of stellar atmospheres and winds
  • Numerical models of stellar structure and evolution
  • Observations using optical interferometry, multi-wavelength spectroscopy and photometry

Current Position

Director of Astrophysics & Assistant Professor in Astrophysics, Trinity College Dublin.

Research Experience

Advanced Research Fellow ( Ambizione ) of the Swiss National Foundation May 2012 - present Geneva Observatory, Switzerland Stellar evolution: massive stars, supernova and GRB progenitors, low-metallicity and first stars,

Advanced Postdoctoral Researcher Apr 2010 - Apr 2012 Max-Planck-Institute for Radioastronomy, Germany (Group of Prof. Gerd Weigelt) Radiative transfer modeling and infrared interferometry of evolved stars, such as Eta Carinae and AG Carinae, and of the young Herbig Be star MWC 297.

Visiting Scientist Oct 2010 Armagh Observatory, UK (Contact Scientist: Dr. Jorick S. Vink) Time-dependent modeling of Luminous Blue Variables.

Postdoctoral Researcher Apr 2007 - Mar 2010 Max-Planck-Institute for Radioastronomy, Germany (Group of Prof. Gerd Weigelt) Spectroscopic studies of massive stars, theoretical stellar atmospheric and wind models of Eta Car

Visiting Scientist Nov 2008 NASA/Goddard Space Flight Center, USA (Contact Scientist: Dr. Theodore R. Gull) Spectroscopy and modeling of the Luminous Blue Variable Eta Carinae.

Graduate Student Researcher Mar 2003 - Mar 2007 University of Sao Paulo, Brazil (Supervisor: Prof. Augusto Damineli) Radiative transfer modeling of evolved massive stars: Luminous Blue Variables (AG Car, HR Car) and Wolf-Rayet stars (HD 45166, WR 46, WR 136). Detection of WRs in the cluster Westerlund 1.

Visiting Pre-Doctoral Researcher Mar 2005 - Mar 2006 University of Pittsburgh, USA (Hosting professor: Prof. D. John Hillier) Radiative transfer modeling of evolved massive stars using CMFGEN, focusing on effects of rotation and time variability.

Undergraduate Student Researcher Mar 2000 - Nov 2002 University of Sao Paulo, Brazil (Supervisor: Augusto Damineli) Spectroscopic observations of near-IR spectra of massive stars with dense winds



After the lecture there will be a social reception in The Lombard Inn 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.

Keep up to date on our Facebook and Twitter sites - links on the left.

A prize draw will be held after the lecture.

Booking Information


Monday 14th October




Physics Bldg, 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


€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 online below

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


This lecture is also available to people nationwide (32 counties) on DVD.
To order a copy of the DVD simply:
Order by credit or debit card online below, OR
call 086 06 46 555
Alternatively post a Cheque, postal order, or Draft to: Astronomy Ireland, P.O. Box 2888, Dublin 5.
Price: DVD's cost €10 each incl P&P (€5 Astronomy Ireland members)

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

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