[Physics-grads-open] Physics & Astronomy Student Seminar (PASS), Wenjun, 3/15 (Wed) at 4 pm: "SEDs and Properties of UMGs at z ~ 3"

Ming-Feng Ho mingfeng.ho at email.ucr.edu
Wed Mar 15 16:00:00 PDT 2023


Happening now!

Ming-Feng

On Wed, Mar 15, 2023 at 3:16 PM Ming-Feng Ho <mingfeng.ho at email.ucr.edu>
wrote:

> Just a quick reminder that in less than 45 minutes, Wenjun's PASS talk
> will take place at the Nebula Room (and virtually via Zoom
> https://ucr.zoom.us/j/98732319283?pwd=T0djbG5SbkhkdkEyblRzZDdXM29Ydz09)
>
> We're happy to have Wenjun present her results on Ultra-Massive Galaxies,
> also the interesting SED fitting codes.
>
> Ming-Feng
>
>
>
> On Tue, Mar 14, 2023 at 9:00 AM Ming-Feng Ho <mingfeng.ho at email.ucr.edu>
> wrote:
>
>> Hello Physics and Astronomy Grads,
>>
>> Please join us for our *final* winter PASS talk *this Wednesday (3/15)
>> at 4 pm.*
>>
>> *Wenjun Chang* *(3rd year; PI: Gillian Wilson)* will be presenting her
>> research on Ultra-Massive Galaxies and their evolution using
>> multi-wavelength observations. She will also be discussing the two popular
>> SED fitting codes, CIGALE and MAGPHYS.
>>
>> *Title:* Spectral Energy Distributions and Properties of Ultra-Massive
>> Galaxies at z ~ 3
>> Wenjun Chang (University of California, Riverside)
>>
>> *Abstract: Spectral energy distributions (SEDs) are a powerful tool in
>> astronomy for studying the properties of celestial objects, including stars
>> and galaxies. Our recent study focuses on ultra-massive galaxies (UMGs) at
>> z ~ 3, with log(M*/M_sun)>11, whose existence has been recently
>> spectroscopically confirmed by near-infrared surveys. In this talk, I will
>> present our SED fitting results of these UMGs using two popular models: the
>> Code for Investigating GALaxy Evolution (CIGALE) and the Multiwavelength
>> Analysis of Galaxy PHYSical properties (MAGPHYS), incorporating
>> multi-wavelength observations ranging from optical to radio. Our analysis
>> enables us to determine the temperature, composition, star formation rate,
>> and stellar mass of these UMGs. Additionally, we estimate the molecular gas
>> mass and track the mass evolution of UMGs, while also confirming the
>> presence of AGN activity. *
>>
>> *Wednesday, 3/15, 2023, at 4 pm*
>> *Physics 3027 (Nebula Room)*
>>
>> In case you couldn't come, the meeting will be hybrid:
>> https://ucr.zoom.us/j/98732319283?pwd=T0djbG5SbkhkdkEyblRzZDdXM29Ydz09
>> ID : 987 3231 9283
>> Password : 1025
>>
>>
>>
>> Now we open for Spring speaker registration. You can sign up or recommend
>> someone using this spreadsheet
>> <https://docs.google.com/spreadsheets/d/1HoOKq3QjlAobnKFD6UUCXDyxMLHxdKUAEKvSn6pjprg/edit?usp=sharing>
>> .
>>
>> About PASS:
>> ---
>> As a reminder, PASS is a weekly research seminar organized by and for
>> graduate students in the UCR Physics and Astronomy department. Our goal is
>> to foster a supportive and encouraging environment for students to showcase
>> their research and improve their skills in asking and answering thoughtful
>> questions.
>>
>>
>> See you all then!
>> Ming-Feng
>>
>> ---
>> Ming-Feng Ho
>> PhD Student
>> Physics and Astronomy, UCR
>>
>>
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