Geraint F. Lewis

A study highlights how photometric data improves stellar temperature and gravity measurements.

A look into the unusual characteristics of the rapidly spinning star Zvrk.

Research on stellar streams helps us learn about dark matter subhaloes in galaxies.

RR Lyrae stars provide key insights into the Milky Way's history and formation.

Research reveals significant cool gas reservoirs in quiescent galaxies, challenging previous beliefs.

Exploring the tidal tails of two globular clusters and what they reveal.