Dr. Tom Fletcher

Research Associate in AI-Enabled Cardiac MRI at King's College London. Focusing on machine learning for inverse problems, motion-corrected model-based reconstructions and cardiac magnetic resonance fingerprinting.

PhD in Astrophysics from University College London where I studied the first galaxies, reionisation and the molecular gas content of the Universe.

@tomfletcher0
tomjfletcher
@tomjf

Research

I have used the Hubble Space Telescope to study the UV light emitted from the first galaxies. By combining deep Hubble Space Telescope imaging with ground-based telescope data we discovered, for the first time, significant leakage of Lyman Continuum photons in a large sample of early star-forming galaxies.

Using the xCOLD GASS survey of galaxies observed with the IRAM-30m telescope I determined the amount of molecular hydrogen, the fuel for star formation, in the local universe. This work has been extended using Bayesian inference to better understand this quantity by taking advantage of galaxy scaling relations.

Publications

A full list of my publications can be found at my ORCID or Google Scholar pages.