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100 papers · 2 filters
Evidence for the volatile-rich composition of a 1.5- planet
Caroline Piaulet, Björn Benneke, Jose M. Almenara +18
The population of planets smaller than approximately is widely interpreted as consisting of rocky worlds, generally referred to as super-Earths. This picture is larg…
NEID Reveals that The Young Warm Neptune TOI-2076 b Has a Low Obliquity
Robert C. Frazier, Gudmundur Stefansson, Suvrath Mahadevan +27
TOI-2076 b is a sub-Neptune-sized planet () that transits a young () bright () K-dwarf hosting a system of three transiting…
Assessing the C/O Ratio Formation Diagnostic: A Potential Trend with Companion Mass
Kielan K. W. Hoch, Quinn M. Konopacky, Christopher A. Theissen +6
The carbon-to-oxygen (C/O) ratio in an exoplanet atmosphere has been suggested as a potential diagnostic of planet formation. Now that a number of exoplanets have measured C/O rati…
The Giant Accreting Protoplanet Survey (GAPlanetS): Optimization Techniques for Robust Detections of Protoplanets
Jéa I. Adams Redai, Katherine B. Follette, Jason Wang +11
High-contrast imaging has afforded astronomers the opportunity to study light directly emitted by adolescent (tens of Myr) and ``proto" (10Myr) planets still undergoing formatio…
ISPY-NACO Imaging Survey for Planets around Young stars. The demographics of forming planets embedded in protoplanetary disks
Gabriele Cugno, Timothy D. Pearce, Ralf Launhardt +11
We present the statistical analysis of a subsample of 45 young stars surrounded by protoplanetary disks (PPDs). This is the largest imaging survey uniquely focused on PPDs to date.…
Water and an escaping helium tail detected in the hazy and methane-depleted atmosphere of HAT-P-18b from JWST NIRISS/SOSS
Guangwei Fu, Néstor Espinoza, David K. Sing +11
JWST is here. The early release observation program (ERO) provides us with the first look at the scientific data and the spectral capabilities. One of the targets from ERO is HAT-P…