[Astro] Lunch Talk - 23/10/25

[Joseph Butler]

Hi all,

This week’s lunch talk will be given by Jack Terry, and will take place on Thursday 22nd October (tomorrow) at 1pm in A113. Title and abstract below.

Title: Morphological Indicators of Galaxy Interactions with Galaxy Zoo DESI

Abstract: In their 2013 paper, 'Galaxy Zoo: quantifying morphological indicators of galaxy interaction'<https://academic.oup.com/mnras/article/429/2/1051/1034562> , the authors Casteels et al. used data from Galaxy Zoo 2 to search for morphological indicators of tidal interactions between pairs of galaxies, and identified a number of morphological features that correlated with pair separation. Since then, newer surveys have provided higher resolution and more sensitive images of large numbers of galaxies, while machine learning has allowed for efficient labelling of larger catalogues. In this talk, I will describe some of my work to reproduce and update the method given by Casteels et al. using more recent morphology data from Galaxy Zoo DESI.

Thanks,
Joe
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