Prof Ryan Cooke

Recent publications — 2026

1. Towards a Measurement of the Primordial Helium Isotope Ratio
   Cooke, Ryan J., Johnson, James W., Noterdaeme, Pasquier, Pettini, Max, Welsh, Louise, et al.
   Jun 2026, The Astrophysical Journal, 1003, 225 (on-line)
2. Detection of an Extended Lyα Halo around a z = 6.64 Broad Absorption Line Quasar with the Keck Cosmic Web Imager
   Remigio, Raymond P., Barth, Aaron J., Wang, Feige, Yang, Jinyi, Hennawi, Joseph F., et al.
   May 2026, The Astrophysical Journal, 1003, L20 (on-line)
3. Featureless stars: flux calibration for extremely large telescopes
   Cooke, Ryan J., Suzuki, Nao, Prochaska, J. Xavier
   Feb 2026, Monthly Notices of the Royal Astronomical Society, 546, staf2246 (on-line)
4. Precision cosmology with the lightest elements
   Pettini, Max, Cooke, Ryan
   Feb 2026, Astrophysics and Space Science, 371, 20 (on-line)

View full publication list on ADS →