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JWST TRAPPIST-1 e/b Program: Motivation and first observations
Natalie H. Allen, Néstor Espinoza, V. A. Boehm +24
One of the forefront goals in the field of exoplanets is the detection of an atmosphere on a temperate terrestrial exoplanet, and among the best suited systems to do so is TRAPPIST…
TOI-7166 b: A Habitable Zone mini-Neptune planet around a nearby low-mass star
Khalid Barkaoui, Francisco J. Pozuelos, Benjamin V. Rackham +41
We present the discovery and validation of TOI-7166b, a 2.01+/-0.05R_Earth planet orbiting a nearby low-mass star. We validated the planet by combining TESS and multi-color high-pr…
Separating flare and secondary atmospheric signals with RADYN modeling of near-infrared JWST transmission spectroscopy observations of TRAPPIST-1
Ward S. Howard, Adam F. Kowalski, Michael Radica +10
Although TRAPPIST-1's temperate planets have the highest transmission signals of any known system, flares contaminate 50-70% of transits at the 1000 ppm level, far above 100 ppm se…
Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map
Ryan C. Challener, Megan Weiner Mansfield, Patricio E. Cubillos +33
Highly-irradiated giant exoplanets known as "ultra-hot Jupiters" are anticipated to exhibit large variations of atmospheric temperature and chemistry as a function of longitude, la…
MANGOS II: Five new giant planets orbiting low-mass stars
G. Dransfield, M. Timmermans, D. Sebastian +47
Giant planets orbiting low-mass stars on short orbits present a conundrum, as in the most extreme cases their existence cannot be reconciled with current models of core accretion.…
What's in Your Transit? Towards Reliably Getting More Science from Exoplanet Transit Data
Samson J. Mercier, Julien de Wit, Benjamin V. Rackham
Exoplanetary science heavily relies on transit depth () measurements. Yet, as instrumental precision increases, the uncertainty on appears to increasingly drift from expecta…