[Physics-grads-open] PASS talk Monday (Note different time and place)

[Pooyan Goodarzi]

Hi all,


Our next PASS talk will be on*Monday, November 3* by Tara. Please note 
that this /stellar/ talk will be at a different time and place than our 
usuals. Please join us *from 11:00 am to 12:00 pm* in the*Conference 
Room* (PHYS 3051).


*Tara Fetherolf, Postdoctoral Scholar*
Monday, 11:00 am, Conference Room (PHYS 3051)

*Stellar Variability: Star, Planet, and Galactic Connections*

*
*

The shape and periodic nature of a star’s light curve can uncover 
important information about its intrinsic properties, including 
information about its magnetic activity, rotation, and potential stellar 
or planetary companions. Understanding stellar variability is especially 
critical for accurately constraining exoplanet properties and 
understanding how stars may affect planetary evolution. Stellar 
variability can also hide the presence of small exoplanets, such that 
constraining variability and finding exoplanets around variable stars is 
important for gaining a complete picture of exoplanet demographics. In 
order to understand the variability of stars across the sky, we 
developed the TESS Stellar Variability Catalog (TESS-SVC). The TESS-SVC 
contains ~84,000 stars that have been identified as being periodically 
variable (rotation, pulsation, eclipsing binaries, etc.) and has thus 
far been used for exoplanet confirmation, characterizing exoplanet host 
stars, and characterizing stellar activity and other types of 
variability. I will also discuss how we use the TESS-SVC to search for 
stellar activity cycles, investigate how exoplanets are impacted by 
active stars, and understand how variable stars may influence their 
Galactic environments.



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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