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 …

Peering above the clouds of the warm Neptune GJ 436 b with CRIRES+

N Grasser, IAG Snellen, R Landman, DG Picos… - Astronomy & …, 2024 - aanda.org
Context. Exoplanets with masses between Earth and Neptune are amongst the most
commonly observed, yet their properties are poorly constrained. Their transmission spectra …

Four HD 209458 b transits through CRIRES+: Detection of H2O and non-detections of C2H2, CH4, and HCN

D Blain, R Landman, P Mollière, J Dittmann - Astronomy & Astrophysics, 2024 - aanda.org
Context. HD 209458 b is one of the most studied exoplanets to date. Despite this,
atmospheric characterisation studies yielded inconsistent species detections and …

Into the red: an M-band study of the chemistry and rotation of β Pictoris b at high spectral resolution

LT Parker, JL Birkby, R Landman… - Monthly Notices of …, 2024 - academic.oup.com
High-resolution cross-correlation spectroscopy (HRCCS) combined with adaptive optics has
been enormously successful in advancing our knowledge of exoplanet atmospheres, from …