Advances in optical/infrared interferometry

F Eisenhauer, JD Monnier… - Annual Review of …, 2023 - annualreviews.org
After decades of fast-paced technical advances, optical/infrared (O/IR) interferometry has
seen a revolution in recent years:▪ The GRAVITY instrument at the Very Large Telescope …

Interpreting the atmospheric composition of exoplanets: sensitivity to planet formation assumptions

P Mollière, T Molyarova, B Bitsch… - The Astrophysical …, 2022 - iopscience.iop.org
Constraining planet formation based on the atmospheric composition of exoplanets is a
fundamental goal of the exoplanet community. Existing studies commonly try to constrain …

[HTML][HTML] JWST-TST DREAMS: quartz clouds in the atmosphere of WASP-17b

D Grant, NK Lewis, HR Wakeford… - The Astrophysical …, 2023 - iopscience.iop.org
Clouds are prevalent in many of the exoplanet atmospheres that have been observed to
date. For transiting exoplanets, we know if clouds are present because they mute spectral …

Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star

T Currie, GM Brandt, TD Brandt, B Lacy, A Burrows… - Science, 2023 - science.org
Direct imaging of gas giant exoplanets provides information on their atmospheres and the
architectures of planetary systems. However, few planets have been detected in blind …

The 13CO-rich atmosphere of a young accreting super-Jupiter

Y Zhang, IAG Snellen, AJ Bohn, P Mollière, C Ginski… - Nature, 2021 - nature.com
Isotope abundance ratios have an important role in astronomy and planetary sciences,
providing insights into the origin and evolution of the Solar System, interstellar chemistry and …

β Pictoris b through the eyes of the upgraded CRIRES+-Atmospheric composition, spin rotation, and radial velocity

R Landman, T Stolker, IAG Snellen, J Costes… - Astronomy & …, 2024 - aanda.org
Context. High-resolution spectrographs fed by adaptive optics (AO) provide a unique
opportunity to characterize directly imaged exoplanets. Observations with such instruments …

Validation of elemental and isotopic abundances in late-M spectral types with the benchmark HIP 55507 AB system

JW Xuan, J Wang, L Finnerty, K Horstman… - The Astrophysical …, 2024 - iopscience.iop.org
M dwarfs are common host stars to exoplanets but often lack atmospheric abundance
measurements. Late-M dwarfs are also good analogs to the youngest substellar …

The JWST Early Release Science Program for direct observations of exoplanetary systems I: High-contrast imaging of the exoplanet HIP 65426 b from 2 to 16 μm

AL Carter, S Hinkley, J Kammerer… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We present JWST Early Release Science coronagraphic observations of the super-
Jupiter exoplanet, HIP 65426b, with the Near-Infrared Camera (NIRCam) from 2 to 5 μm …

Direct confirmation of the radial-velocity planet β Pictoris c

M Nowak, S Lacour, AM Lagrange, P Rubini… - Astronomy & …, 2020 - aanda.org
Context. Methods used to detect giant exoplanets can be broadly divided into two
categories: indirect and direct. Indirect methods are more sensitive to planets with a small …

Where is the water? Jupiter-like C/H ratio but strong H2O depletion found on τ Boötis b using SPIRou

S Pelletier, B Benneke, A Darveau-Bernier… - The Astronomical …, 2021 - iopscience.iop.org
The present-day envelope of gaseous planets is a relic of how these giant planets originated
and evolved. Measuring their elemental composition therefore presents a powerful …