This is a talk held during the regular colloquium series (usually Tuesdays at 4pm).

Synthetic photometry of star clusters that accounts for the stochastic sampling of the IMF and the ionized gas: analysis of GALAXEV-C models and HST observations

Tuesday, September 28, 2021 - 11:00am
Prof. Aida Wofford (UNAM)

Low-mass (<1E4) star clusters contain a significant fraction of the stars in star-forming galaxies. In particular, star clusters with initial masses between 1E1 and 1E3 Msun contain the same total mass in stars as those with initial masses between 1E3 and 1E5 Msun.

Pinpointing fast radio bursts in space and time

Tuesday, September 14, 2021 - 11:00am
Prof. Jason Hessels (University of Amsterdam & ASTRON)

In the past decade, we have started to explore extragalactic and intergalactic space using millisecond-duration radio flashes called 'fast radio bursts' (FRBs).  These cosmological signals are surprisingly abundant: there is likely an FRB occurring somewhere on the sky at least once every minute.

Next-Generation Simulations of The Remarkable Deaths of Massive Stars

Tuesday, March 1, 2022 - 11:00am
Dr. Carl Fields (LANL)

Multidimensional progenitor models can enable us to capture the chaotic nuclear shell burning occurring deep within the interior of a massive star. I will discuss ongoing efforts to progress our understanding of the nature of massive stars through next-generation hydrodynamic stellar models.


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