Relative abundance constraints from high-resolution optical transmission spectroscopy of WASP-121b, and a fast model-filtering technique for accelerating retrievals

NP Gibson, SK Nugroho, J Lothringer… - Monthly Notices of …, 2022 - academic.oup.com
High-resolution Doppler-resolved spectroscopy has presented new opportunities for
studying the atmospheres of exoplanets. While the 'classical'cross-correlation approach has …

Hα and He I absorption in HAT-P-32 b observed with CARMENES-Detection of Roche lobe overflow and mass loss

S Czesla, M Lampón, J Sanz-Forcada… - Astronomy & …, 2022 - aanda.org
We analyze two high-resolution spectral transit time series of the hot Jupiter HAT-P-32 b
obtained with the CARMENES spectrograph. Our new XMM-Newton X-ray observations of …

Transmission spectroscopy of the ultra-hot Jupiter MASCARA-4 b-Disentangling the hydrostatic and exospheric regimes of ultra-hot Jupiters

Y Zhang, IAG Snellen, A Wyttenbach… - Astronomy & …, 2022 - aanda.org
Context. Ultra-hot Jupiters (UHJs), rendering the hottest planetary atmospheres, offer great
opportunities of detailed characterisation with high-resolution spectroscopy. MASCARA-4 b …

Detection of TiO and VO in the Atmosphere of WASP-121b and Evidence For its Temporal Variation

Q Ouyang, W Wang, M Zhai, G Chen… - … in Astronomy and …, 2023 - iopscience.iop.org
We report the transit observations of the ultra-hot Jupiter WASP-121b using the Goodman
High Throughput Spectrograph at the 4 m ground-based Southern Astrophysical Research …

Characterization of the regimes of hydrodynamic escape from low-mass exoplanets

JH Guo - Nature Astronomy, 2024 - nature.com
Atmospheric hydrodynamic escape sculpts the population of low-mass close-in planets.
However, distinguishing between the driving mechanisms responsible for the hydrodynamic …

A possibly solar metallicity atmosphere escaping from HAT-P-32b revealed by Hα and He absorption

D Yan, J Guo, K Seon, M López-Puertas… - Astronomy & …, 2024 - aanda.org
This paper presents a hydrodynamic simulation that couples detailed non-local
thermodynamic equilibrium (NLTE) calculations of the helium and hydrogen level …

[PDF][PDF] Hα and Hei absorption in HAT-P-32 b observed with CARMENES

S Czesla, M Lampón, J Sanz-Forcada, AG Muñoz… - 2021 - docta.ucm.es
We analyze two high-resolution spectral transit time series of the hot Jupiter HAT-P-32 b
obtained with the CARMENES spectrograph. Our new XMM-Newton X-ray observations of …