Geraint F. Lewis

Research interests

Publications

• The Dark Energy Survey: Cosmology Results with ∼1500 New High-redshift Type Ia Supernovae Using the Full 5 yr Data Set

  The Astrophysical Journal Letters · 2024 · https://doi.org/10.3847/2041-8213/ad6f9f

• The GALAH+ survey: Third data release

  Monthly Notices of the Royal Astronomical Society · 2021 · https://doi.org/10.1093/mnras/stab1242

• The GALAH survey and Gaia DR2: dissecting the stellar disc’s phase space by age, action, chemistry, and location

  Monthly Notices of the Royal Astronomical Society · 2019 · https://doi.org/10.1093/mnras/stz217

• First cosmological results using Type Ia supernovae from the Dark Energy Survey: measurement of the Hubble constant

  Monthly Notices of the Royal Astronomical Society · 2019 · https://doi.org/10.1093/mnras/stz978

• Rapidly evolving transients in the Dark Energy Survey

  Monthly Notices of the Royal Astronomical Society · 2018 · https://doi.org/10.1093/mnras/sty2309

• Dark Energy Survey Year 1 Results: redshift distributions of the weak-lensing source galaxies

  Monthly Notices of the Royal Astronomical Society · 2018 · https://doi.org/10.1093/mnras/sty957

• The GALAH Survey: second data release

  Monthly Notices of the Royal Astronomical Society · 2018 · https://doi.org/10.1093/mnras/sty1281

• Dark Energy Survey year 1 results: Galaxy clustering for combined probes

  Physical review. D/Physical review. D. · 2018 · https://doi.org/10.1103/physrevd.98.042006

• The GALAH survey: observational overview and Gaia DR1 companion

  Monthly Notices of the Royal Astronomical Society · 2016 · https://doi.org/10.1093/mnras/stw2835

• THE REDMAPPER GALAXY CLUSTER CATALOG FROM DES SCIENCE VERIFICATION DATA

  The Astrophysical Journal Supplement Series · 2016 · https://doi.org/10.3847/0067-0049/224/1/1

• The SAMI Galaxy Survey: instrument specification and target selection

  Monthly Notices of the Royal Astronomical Society · 2015 · https://doi.org/10.1093/mnras/stu2635

• The GALAH survey: scientific motivation

  Monthly Notices of the Royal Astronomical Society · 2015 · https://doi.org/10.1093/mnras/stv327

• ARGOS – III. Stellar populations in the Galactic bulge of the Milky Way

  Monthly Notices of the Royal Astronomical Society · 2013 · https://doi.org/10.1093/mnras/sts629

• A vast, thin plane of corotating dwarf galaxies orbiting the Andromeda galaxy

  Nature · 2013 · https://doi.org/10.1038/nature11717

• The Sydney-AAO Multi-object Integral field spectrograph

  Monthly Notices of the Royal Astronomical Society · 2012 · https://doi.org/10.1111/j.1365-2966.2011.20365.x

• The remnants of galaxy formation from a panoramic survey of the region around M31

  Nature · 2009 · https://doi.org/10.1038/nature08327

• The Haunted Halos of Andromeda and Triangulum: A Panorama of Galaxy Formation in Action

  The Astrophysical Journal · 2007 · https://doi.org/10.1086/522574

• Distances and metallicities for 17 Local Group galaxies

  Monthly Notices of the Royal Astronomical Society · 2005 · https://doi.org/10.1111/j.1365-2966.2004.08514.x

• A dwarf galaxy remnant in Canis Major: the fossil of an in-plane accretion on to the Milky Way

  Monthly Notices of the Royal Astronomical Society · 2004 · https://doi.org/10.1111/j.1365-2966.2004.07331.x

• A giant stream of metal-rich stars in the halo of the galaxy M31

  Nature · 2001 · https://doi.org/10.1038/35083506

Current projects

No projects listed.