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I am a research associate in the astrophysics group at the University of Bristol.

Research Overview

My research involves the statistical analysis of groups of galaxies using optical and X-ray detection methods. Through combining X-ray data from eROSITA X-ray data with Euclid optical data we explore how feedback processes influence galaxy cluster dynamics. Additionally, we're utilising a Bayesian approach to measure co-variances and address selection biases in large-scale galaxy cluster surveys. As a part of the Euclid space telescope's galaxy cluster science working group, we are investigating the richness/weak-lensing mass covariance for the Euclid cluster sample using ICM mass proxies.

In Wood et al (2024; in prep), I investigated feedback processes and selection biases in galaxy group and cluster surveys by applying forced aperture photometry to XMM-Newton data for an optically selected sample. This work took advantage of the overlapping regions between the XXL X-ray survey and the GAMA spectroscopic survey. I'm now looking to scale this work up to take advantage of the data available through eROSITA and Euclid to further explore how feedback processes influence galaxy cluster dynamics.

Further details regarding my research.

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Cai Wood


cai.wood@bristol.ac.uk

Research Associate
Astrophysics Group
University of Bristol