[Physics-grads-open] PASS talk Tomorrow

[Pooyan Goodarzi]

Reminder: happening in ~2 hours.

On 10/26/25 3:33 PM, Pooyan Goodarzi wrote:
>
> Hi all,
>
>
> We will have a PASS talk by Michael *Tomorrow, October 27*. Please 
> join us at noon (*from 12:00 to 1:00 pm*) in the Nebula Room (PHYS 3027).
>
>
> *Michael McDonald, PhD Student*
> Monday, 12:00 pm, Nebula Room (PHYS 3027)
>
> *Electrons Blowin’ in the Wind: Characterizing Electron Densities in 
> AGN Outflows*
>
> *
> *
>
> AGN outflows are critical for understanding galaxy evolution, but 
> current observational techniques to measure their impact are plagued 
> by high uncertainties. The primary culprit of this uncertainty is the 
> electron density of the ionized outflow, which can vary by over three 
> orders of magnitude. Consequently, current models of galactic 
> evolution cannot be trusted, and new observational methods are 
> desperately needed. In this talk, I will describe a new technique for 
> estimating the AGN electron densities more precisely and then show how 
> that method can be used to study different types of galactic outflows. 
> Specifically, I will examine this new method by combining new 
> Keck/KCWI integral field spectroscopic observations with CLOUDY 
> photoionization modeling in order to find an emission line tracer that 
> precisely measures electron densities. Finding a better way to 
> constrain the electron densities in ionized outflows will have a 
> profound impact not only on research in AGN but also on the entire 
> field of galaxy evolution.
>
>
>
> If you’re interested in sharing your work as a speaker, please feel 
> free to add your name to this spreadsheet [Google Sheet 
> <https://docs.google.com/spreadsheets/d/1N3ncf43jdB6aHYHhyWmyHMycxDg4_phHZXLkQvviO0o/edit?usp=sharing>]. 
> Recordings of all the previous talks are available on our website: 
> https://ucrpass.arxiv.social
>
>
> Best,
> Pooyan
> Physics and Astronomy Student Seminar (PASS)
> https://ucrpass.arxiv.social
>
>
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