PDRs4All-III. JWST's NIR spectroscopic view of the Orion Bar

E Peeters, E Habart, O Berné, A Sidhu… - Astronomy & …, 2024‏ - aanda.org
Context. JWST has taken the sharpest and most sensitive infrared (IR) spectral imaging
observations ever of the Orion Bar photodis-sociation region (PDR), which is part of the …

PDRs4All: A JWST early release science program on radiative feedback from massive stars

PI Team, O Berné, É Habart, E Peeters… - Publications of the …, 2022‏ - iopscience.iop.org
The James Webb Space Telescope (JWST, Gardner et al. 2006) is a 6.5 m space telescope
launched in 2021 December and is developed by the National Aeronautics and Space …

Modeling sulfur depletion in interstellar clouds

JC Laas, P Caselli - Astronomy & Astrophysics, 2019‏ - aanda.org
Context. The elemental depletion of interstellar sulfur from the gas phase has been a
recurring challenge for astrochemical models. Observations show that sulfur remains …

PDRs4All-VIII. Mid-infrared emission line inventory of the Orion Bar

D Van De Putte, R Meshaka, B Trahin, E Habart… - Astronomy & …, 2024‏ - aanda.org
Context. Mid-infrared emission features are important probes of the properties of ionized gas
and hot or warm molecular gas, which are difficult to probe at other wavelengths. The Orion …

Complex organic molecules in strongly UV-irradiated gas

S Cuadrado, JR Goicoechea, J Cernicharo… - Astronomy & …, 2017‏ - aanda.org
We investigate the presence of complex organic molecules (COMs) in strongly UV-irradiated
interstellar molecular gas. We have carried out a complete millimetre (mm) line survey using …

An ALCHEMI inspection of sulphur-bearing species towards the central molecular zone of NGC 253

M Bouvier, S Viti, E Behrens, J Butterworth… - Astronomy & …, 2024‏ - aanda.org
Context. Sulphur-bearing species are detected in various environments within Galactic star-
forming regions and are particularly abundant in the gas phase of outflow and shocked …

AB Aur, a Rosetta stone for studies of planet formation-II. H2S detection and sulfur budget

P Rivière-Marichalar, A Fuente, G Esplugues… - Astronomy & …, 2022‏ - aanda.org
Context. The sulfur abundance is poorly known in most environments. Yet, deriving the
sulfur abundance is key to understanding the evolution of the chemistry from molecular …

Bottlenecks to interstellar sulfur chemistry-Sulfur-bearing hydrides in UV-illuminated gas and grains

JR Goicoechea, A Aguado, S Cuadrado… - Astronomy & …, 2021‏ - aanda.org
Hydride molecules lie at the base of interstellar chemistry, but the synthesis of sulfuretted
hydrides is poorly understood and their abundances often crudely constrained. Motivated by …

Abundances of sulphur molecules in the Horsehead nebula-First NS+ detection in a photodissociation region

P Rivière-Marichalar, A Fuente, JR Goicoechea… - Astronomy & …, 2019‏ - aanda.org
Context. Sulphur is one of the most abundant elements in the Universe (S/H~ 1.3× 10− 5)
and plays a crucial role in biological systems on Earth. The understanding of its chemistry is …

Deuteration and evolution in the massive star formation process-The role of surface chemistry

F Fontani, G Busquet, A Palau, P Caselli… - Astronomy & …, 2015‏ - aanda.org
Context. An ever growing number of observational and theoretical evidence suggests that
the deuterated fraction (column density ratio between a species containing D and its …