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A unique hot Jupiter spectral sequence with evidence for compositional diversity
Megan Mansfield, Michael R. Line, Jacob L. Bean +11
The emergent spectra of close-in, giant exoplanets ("hot Jupiters") are expected to be distinct from those of self-luminous objects with similar effective temperatures because hot…
The mass of Beta Pictoris c from Beta Pictoris b orbital motion
S. Lacour, J. J. Wang, L. Rodet +96
We aim to demonstrate that the presence and mass of an exoplanet can now be effectively derived from the astrometry of another exoplanet. We combined previous astrometry of Pic…
Detection of Ionized Calcium in the Atmosphere of the Ultra-Hot Jupiter WASP-76b
Emily K. Deibert, Ernst J. W. de Mooij, Ray Jayawardhana +9
Recent observations of the ultra-hot Jupiter WASP-76b have revealed a diversity of atmospheric species. Here we present new high-resolution transit spectroscopy of WASP-76b with GR…
The Impact of Mixing Treatments on Cloud Modelling in 3D Simulations of Hot Jupiters
D. A. Christie, N. J. Mayne, S. Lines +7
We present results of 3D hydrodynamical simulations of HD209458b including a coupled, radiatively-active cloud model ({\sc EddySed}). We investigate the role of the mixing by repla…
An inventory of atomic species in the atmosphere of WASP-121b using UVES high-resolution spectroscopy
Stephanie R. Merritt, Neale P. Gibson, Stevanus K. Nugroho +8
Ultra-hot Jupiters (UHJs) present excellent targets for atmospheric characterisation. Their hot dayside temperatures (T 2200 K) strongly suppress the formation of condens…
GRAVITY K-band spectroscopy of HD 206893 B: brown dwarf or exoplanet
J. Kammerer, S. Lacour, T. Stolker +94
We aim to reveal the nature of the reddest known substellar companion HD 206893 B by studying its near-infrared colors and spectral morphology and by investigating its orbital moti…