W.M. Keck Observatory

Recent papers from W.M. Keck Observatory

1. POSEIDON. III. The Aligned Orbit of the Hot Neptune around the Hot Star WASP-195The Astronomical Journal · 2026
2. JWST Observations of SN 2024abup: First Detection of CO in a Broad-lined Type Ic Supernova and Constraints on r -process NucleosynthesisThe Astrophysical Journal Letters · 2026
3. Spin–Orbit Alignment of Two Neptune-size Planets Younger Than 500 Myr: TOI-560 b and TOI-5082 bThe Astronomical Journal · 2026
4. Spectral Diversity in Type Ibn Supernovae and the Large Host Offset of SN 2024acylThe Astrophysical Journal · 2026
5. The Eye of Sauron in SN 2025ngs: A Short-plateau Cousin of SN 1998S with Evidence for a Ring-like Circumstellar MediumThe Astrophysical Journal · 2026
6. Atmospheric Characterization of Six Ultrahot Jupiters from K -band High-resolution SpectroscopyThe Astronomical Journal · 2026
7. Clumpy Disk, Interloper, or Merger? Nature of a Distant Galaxy Pair at 5 kpc Projected SeparationThe Astrophysical Journal · 2026
8. The Keck Planet Finder SURFS-UP Survey. I. Transmission Spectroscopy of WASP-76 bThe Astronomical Journal · 2026
9. MAGAZ3NE: Confirming Dust Deficiency and Quiescent Nature of Ultramassive Galaxies at 3 < z < 4 with ALMA ObservationsThe Astrophysical Journal · 2026
10. The multiphase biconical outflow in the local infrared-luminous merger IRAS F01364-1042Astronomy and Astrophysics · 2026
11. Las Cumbres Observatory Gravitational-wave Follow-up in the Third and Fourth Observing Runs: Strengths and Weaknesses of a Rapid Response Galaxy Targeted StrategyThe Astrophysical Journal · 2026
12. The Vera C. Rubin Observatory Data Preview 1The Astronomical Journal · 2026
13. The Double-peaked Calcium-strong SN 2025coe: Progenitor Constraints from Early Interaction and Ejecta AsymmetriesThe Astrophysical Journal · 2026
14. SN 2024abfl: A Flat-plateau, Low-luminosity Type IIP Supernova with Early Circumstellar Matter InteractionThe Astrophysical Journal · 2026
15. Massive star formation at the Galactic crossroads: Insights from G358.69+0.03 in the Galactic centerAstronomy and Astrophysics · 2026
16. MAGAZ3NE: Far-IR and Radio Insights into the Nature and Properties of Ultramassive Galaxies at z  ≳ 3The Astrophysical Journal · 2026
17. Can the Dust Eclipses in WR 104 Provide Constraints on the System’s Inclination?The Astrophysical Journal · 2026
18. Distinct Rotational Evolution of Giant Planets and Brown Dwarf CompanionsThe Astronomical Journal · 2026
19. Possible Stratospheric Emission in the Warm Neptune GJ 436 b from High-resolution SpectroscopyThe Astronomical Journal · 2026
20. SN 2023zcu: A Type IIP SN with Early Flash FeaturesThe Astrophysical Journal · 2026