How do Stellar Surveys Like GALAH Improve Our Understanding of Planetary Systems?
Creators: name: Clark, Jake Thomas
name: Hinkel, Natalie
name: Wittenmyer, Rob
name: Horner, Jonti
name: Wright, Duncan
name: Carter, Brad
name: Unterborn, Cayman
name: Clerte, Mathieu
Publisher: name: Zenodo
Year: 2021
Subjects: exoplanets
galactic archaeology
galah survey
stellar astrophysics
fundamental parameters
Planetary astrophysics
stellar abundances

description: The time of large-scale astronomical surveys is now upon us. These huge spectral, astrometric and photometric surveys are providing us astronomers with the richest datasets to date, to better characterise the stars contained within the Milky Way like never before. With almost every star being orbited by at least one exoplanet across our galaxy, these large scale surveys can help better inform us in characterising confirmed and potential planet-hosting stars. We've been able to utilise GALAH's last two data releases (DR2 and DR3), along with GAIA DR2 and EDR3 to better characterise over 125 exoplanet hosts and 250 candidate hosting stars, as well as 45,000 stars currently being observed by TESS. This poster also shows how GALAH's chemical abundances can help inform exoplanetary scientists on what types of planets TESS will likely uncover, and some trends in planetary populations with different chemical abundances.
description: The website for the interactive poster can be found here: https://jake-clark.github.io/#TESS21
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