492 citations
- University of OxfordGB102 papers
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4 papers · 1 filter
Callisto's atmosphere: First evidence for H2 and constraints on H2O
Shane R. Carberry Mogan, Orenthal J. Tucker, Robert E. Johnson +8
We explore the parameter space for the contribution to Callisto's H corona observed by the Hubble Space Telescope (Roth et al. 2017a) from sublimated H2O and radiolytically produce…
Observability of ultraviolet N I lines in the atmosphere of transiting Earth-like planets
Mitchell E. Young, Luca Fossati, Colin Johnstone +5
Nitrogen is a biosignature gas that cannot be maintained in its Earth-like ratio with CO under abiotic conditions. It has also proven to be notoriously hard to detect at optica…
An Ensemble of Bayesian Neural Networks for Exoplanetary Atmospheric Retrieval
Adam D. Cobb, Michael D. Himes, Frank Soboczenski +7
Machine learning is now used in many areas of astrophysics, from detecting exoplanets in Kepler transit signals to removing telescope systematics. Recent work demonstrated the pote…
Linking the Climate and Thermal Phase Curve of 55 Cancri e
Mark Hammond, Raymond Pierrehumbert
The thermal phase curve of 55 Cancri e is the first measurement of the temperature distribution of a tidally locked Super-Earth, but raises a number of puzzling questions about the…