Ana Escorza
Astronomer - La Caixa Junior Leader Fellow
About Me
I am a Spanish professional astronomer currently working at the Instituto de Astrofisica de Canarias with a Junior Leader Fellowship from La Caixa Foundation. Before returning to Spain, I spent three years in Santiago de Chile, where I worked as a European Southern Observatory (ESO) fellow with duties in the Paranal Observatory.
I defended my PhD in Astronomy in Belgium in 2020, as part of a dual PhD programme between KU Leuven and the Université Libre de Bruxelles. My research focuses on low- and intermediate-mass evolved stars and binary systems. I am very passionate about my work and science in general. I love observing, and I really enjoy teaching and talking about science to all kinds of audiences.
Explore this site to learn more about my current projects, my past publications, and all the public outreach events I am involved in.
Most recent publications
My research focuses on different products of binary interactions involving red giant stars.
Below, you can find a brief description of my most recent publications.
S-process-polluted binaries in GALAH DR4
A. Escorza and collaborators, August 2026
This paper presents a sample of 1059 s-process-polluted candidates compiled using GALAH DR4. First, we investigate the reliability of the survey's heavy-metal abundances using a high-resolution validation sample observed with UVES@VLT and HERMES@Mercator. Then, we compare the chemical and orbital properties of our candidates with those of confirmed s-process-polluted stars and with theoretical models. This sample is five times larger than the number of confirmed polluted stars before this work, and it has been homogeneously treated, opening very interesting avenues to compare nucleosynthesis models as well as binary evolution models.
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