3 papers
astro-ph.GA2026
Galaxy discs regulate the growth of supermassive black holes
Ryan J. Roberts, Jonathan J. Davies, Robert A. Crain
We examine the relationship between the mass of present-day central supermassive black holes (SMBHs, ), and the stellar mass () and halo mass () of…
physics.geo-ph2025
Dargana: fine-tuning EarthPT for dynamic tree canopy mapping from space
Michael J. Smith, Luke Fleming, James E. Geach +3
We present Dargana, a fine-tuned variant of the EarthPT time-series foundation model that achieves specialisation using <3% of its pre-training data volume and 5% of its pre-traini…
astro-ph.IM2024
AstroPT: Scaling Large Observation Models for Astronomy
Michael J. Smith, Ryan J. Roberts, Eirini Angeloudi +1
This work presents AstroPT, an autoregressive pretrained transformer developed with astronomical use-cases in mind. The AstroPT models presented here have been pretrained on 8.6 mi…