The effect of stellar contamination on low-resolution transmission spectroscopy: needs identified by NASA's Exoplanet Exploration Program Study Analysis Group 21
BV Rackham, N Espinoza… - RAS Techniques …, 2023 - academic.oup.com
Abstract Study Analysis Group 21 (SAG21) of NASA's Exoplanet Exploration Program
Analysis Group was organized to study the effect of stellar contamination on space-based …
Analysis Group was organized to study the effect of stellar contamination on space-based …
A chemical survey of exoplanets with ARIEL
Thousands of exoplanets have now been discovered with a huge range of masses, sizes
and orbits: from rocky Earth-like planets to large gas giants grazing the surface of their host …
and orbits: from rocky Earth-like planets to large gas giants grazing the surface of their host …
Helium in the eroding atmosphere of an exoplanet
Helium is the second-most abundant element in the Universe after hydrogen and is one of
the main constituents of gas-giant planets in our Solar System. Early theoretical models …
the main constituents of gas-giant planets in our Solar System. Early theoretical models …
The detectability and characterization of the TRAPPIST-1 exoplanet atmospheres with JWST
J Lustig-Yaeger, VS Meadows… - The Astronomical …, 2019 - iopscience.iop.org
Abstract The James Webb Space Telescope (JWST) will offer the first opportunity to
characterize terrestrial exoplanets with sufficient precision to identify high mean molecular …
characterize terrestrial exoplanets with sufficient precision to identify high mean molecular …
The transit light source effect: false spectral features and incorrect densities for M-dwarf transiting planets
BV Rackham, D Apai, MS Giampapa - The Astrophysical Journal, 2018 - iopscience.iop.org
Transmission spectra are differential measurements that utilize stellar illumination to probe
transiting exoplanet atmospheres. Any spectral difference between the illuminating light …
transiting exoplanet atmospheres. Any spectral difference between the illuminating light …
Outstanding challenges of exoplanet atmospheric retrievals
JK Barstow, K Heng - Space science reviews, 2020 - Springer
Spectral retrieval has long been a powerful tool for interpreting planetary remote sensing
observations. Flexible, parameterised, agnostic models are coupled with inversion …
observations. Flexible, parameterised, agnostic models are coupled with inversion …
Atmospheric reconnaissance of TRAPPIST-1 b with JWST/NIRISS: evidence for strong stellar contamination in the transmission spectra
TRAPPIST-1 is a nearby system of seven Earth-sized, temperate, rocky exoplanets transiting
a Jupiter-sized M8. 5V star, ideally suited for in-depth atmospheric studies. Each TRAPPIST …
a Jupiter-sized M8. 5V star, ideally suited for in-depth atmospheric studies. Each TRAPPIST …
H2O abundances and cloud properties in ten hot giant exoplanets
A Pinhas, N Madhusudhan, S Gandhi… - Monthly Notices of the …, 2019 - academic.oup.com
Transmission spectroscopy of exoplanets has the potential to provide precise
measurements of atmospheric chemical abundances, in particular of hot Jupiters whose …
measurements of atmospheric chemical abundances, in particular of hot Jupiters whose …
ACCESS: a featureless optical transmission spectrum for WASP-19b from Magellan/IMACS
ABSTRACT The short-period (0.94-d) transiting exoplanet WASP-19b is an exceptional
target for transmission spectroscopy studies, due to its relatively large atmospheric scale …
target for transmission spectroscopy studies, due to its relatively large atmospheric scale …
A tentative detection of He I in the atmosphere of GJ 1214 b
The He I λ10833 Å triplet is a powerful tool for characterising the upper atmosphere of
exoplanets and tracing possible mass loss. Here, we analysed one transit of GJ 1214 b …
exoplanets and tracing possible mass loss. Here, we analysed one transit of GJ 1214 b …