Keith Horne
3 papers · Latest:
Galaxies & Cosmology
AGN STORM 2. XII. Ground-Based Optical Photometry and Lag Measurements of Mrk 817
New optical photometry of Mrk 817 measures reverberation lags, revealing a disk size discrepancy and variations linked to ionizing luminosity changes.
2605.02875
Exoplanets & Planetary ScienceJWST unveils a high mean molecular weight atmosphere for mini-Neptune TOI-1130b: Evidence for formation beyond the water ice line
JWST observations of mini-Neptune TOI-1130b reveal a high mean molecular weight atmosphere, suggesting it formed beyond the water ice line.
2605.02036
Exoplanets & Planetary ScienceUncovering the Rapidly Evolving Orbits of the Dynamic TOI-201 System
This paper characterizes the dynamic TOI-201 exoplanet system, revealing its rapid orbital evolution and that its co-transiting configuration will end in 200 years.
2604.23929
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