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Related papers: Investigating Sulfur Chemistry in the HD 163296 di…

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The abundance and distribution of sulfur-bearing molecules in protoplanetary disks directly influences the composition and potential habitability of nascent planets in addition to providing powerful probes of the physical gas conditions in…

The nature and abundance of sulfur chemistry in protoplanetary disks (PPDs) may impact the sulfur inventory on young planets and therefore their habitability. PPDs also present an interesting test bed for sulfur chemistry models, since each…

Astrophysics of Galaxies · Physics 2019-05-15 Romane Le Gal , Karin I. Öberg , Ryan Loomis , Jamila Pegues , Jennifer B. Bergner

The physical and chemical conditions within a protoplanetary disk play a crucial role in determining its chemical composition, which is subsequently inherited by any forming planets. To probe these conditions, high-resolution molecular line…

Sulfur-bearing molecules play an important role in prebiotic chemistry and planet habitability. They are also proposed probes of chemical ages, elemental C/O ratio, and grain chemistry processing. Commonly detected in diverse astrophysical…

The sulfur chemistry in protoplanetary disks influences the properties of nascent planets, including potential habitability. Although the inventory of sulfur molecules in disks has gradually increased over the last decade, CS is still the…

The sulfur chemistry in protoplanetary disks directly affects the composition and potential habitability of nascent planets, but its volatile inventory remains highly uncertain. Here, we present deep Atacama Large Millimeter/submillimeter…

Context. Several sulfur-bearing molecules are observed in the interstellar medium and in comets, in strong contrast to protoplanetary disks where only CS, H$_2$CS and SO have been detected so far. Aims. We combine observations and chemical…

Astrophysics of Galaxies · Physics 2018-09-12 D. Semenov , C. Favre , D. Fedele , S. Guilloteau , R. Teague , Th. Henning , A. Dutrey , E. Chapillon , F. Hersant , V. Piétu

Sulfur is a critical element to life on Earth, and with detections of sulfur-bearing molecules in exoplanets and comets, questions arise as to how sulfur is incorporated into planets in the first place. In order to understand sulfur's…

Earth and Planetary Astrophysics · Physics 2025-10-03 Becky J. Williams , L. Ilsedore Cleeves , Rachel E. Gross , Jackson Baker

We study the content in S-bearing molecules of protoplanetary disks around low-mass stars. We used the new IRAM 30-m receiver EMIR to perform simultaneous observations of the $1_{10}-1_{01}$ line of H$_2$S at 168.8 GHz and $2_{23}-1_{12}$…

Volatile elements play a crucial role in the formation of planetary systems. Their abundance and distribution in protoplanetary disks provide vital insights into the connection between formation processes and the atmospheric composition of…

Earth and Planetary Astrophysics · Physics 2023-12-22 Luke Keyte , Mihkel Kama , Ko-Ju Chuang , L. Ilsedore Cleeves , Maria N. Drozdovskaya , Kenji Furuya , Jonathan Rawlings , Oliver Shorttle

Context. Studying gas chemistry in protoplanetary disks is key to understanding the process of planet formation. Sulfur chemistry in particular is poorly understood in interstellar environments, and the location of the main reservoirs…

(Abridged) Sulfur chemistry is poorly understood in the process of low-mass star and planet formation, where the main carriers of sulfur are still unknown. Despite the fact that simple S-bearing molecules are usually detected toward…

Solar and Stellar Astrophysics · Physics 2023-10-18 E. Artur de la Villarmois , V. V. Guzman , Y. -L. Yang , Y. Zhang , N. Sakai

Context. Protoplanetary disks are the birthplace of planets. As such, they set the initial chemical abundances available for planetary atmosphere formation. Thus, studying elemental abundances, molecular compositions, and abundance ratios…

The composition of a forming planet is set by the material it accretes from its parent protoplanetary disk. Therefore, it is crucial to map the chemical make-up of the gas in disks to understand the chemical environment of planet formation.…

Earth and Planetary Astrophysics · Physics 2023-10-18 Alice S. Booth , Charles J. Law , Milou Temmink , Margot Leemker , Enrique Macias

The sulfur content in dense molecular regions of the interstellar medium is highly depleted in comparison to diffuse clouds. The reason of this phenomenon is unclear, thus it is necessary to carry out observational studies of sulfur-bearing…

Astrophysics of Galaxies · Physics 2024-12-11 N. C. Martinez , S. Paron , M. E. Ortega , A. Petriella , A. Álamo , M. Brook , C. Carballo , T. Heberling

Sulfur is one of the most abundant elements in the Universe, yet the sulfur budget inferred from the observed sulfur-bearing molecules in dense cores is significantly lower than expected. Starless and pre-stellar cores represent the…

Astrophysics of Galaxies · Physics 2026-05-14 L. Schöller , S. Spezzano , O. Sipilä , E. I. Makarenko , P. Caselli , H. A. Bunn , S. S. Jensen

Protoplanetary disks inherit their chemical composition from their natal molecular cloud, but the extent to which this material is preserved versus reset through chemical reprocessing remains an open question. Understanding this balance is…

Solar and Stellar Astrophysics · Physics 2025-11-25 P. Rivière-Marichalar , R. le Gal , A. Fuente , D. Semenov , G. Esplugues , D. Navarro-Almaida , S. Facchini

Atacama Large Millimeter/submillimeter Array observations suggest that the disc of HD 163296 is being actively shaped by embedded, yet unseen protoplanets, as indicated by numerous gas and dust substructures consistent with planet-disc…

In protoplanetary disks, atomic carbon is expected to originate from the PDR at the disk surface where CO is dissociated by UV photons coming from the stellar, or external interstellar, radiation field. Even though atomic carbon has been…

Earth and Planetary Astrophysics · Physics 2024-07-24 F. Urbina , J. Miley , M. Kama , L. Keyte

Context. Elemental abundances are of prime importance to help us reconstruct the origin and evolution of stars and galaxies in our Universe. Sulfur abundances have not been as heavily studied as other elements, so some details regarding its…

Solar and Stellar Astrophysics · Physics 2020-02-26 Ana Rita Costa Silva , Elisa Delgado Mena , Maria Tsantaki
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