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PDRs4All-III. JWST's NIR spectroscopic view of the Orion Bar
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 …
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
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 …
launched in 2021 December and is developed by the National Aeronautics and Space …
Modeling sulfur depletion in interstellar clouds
Context. The elemental depletion of interstellar sulfur from the gas phase has been a
recurring challenge for astrochemical models. Observations show that sulfur remains …
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 …
and hot or warm molecular gas, which are difficult to probe at other wavelengths. The Orion …
Complex organic molecules in strongly UV-irradiated gas
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 …
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
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 …
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
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 …
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
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 …
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
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 …
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
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 …
the deuterated fraction (column density ratio between a species containing D and its …