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A detection of sulfur-bearing cyclic hydrocarbons in space
A detection of sulfur-bearing cyclic hydrocarbons in space
Araki et al. 2026, Nature Astronomy
In this work, we report the first detection in the ISM of a sulfur-bearing cyclic hydrocarbon, 2,5-cyclohexadien-1-thione, a structural isomer of thiophenol (c-C6H6S).OPEN ACCESS
A fast machine learning tool to predict the composition of interstellar ices from IR absorption spectra (AICE)
A fast machine learning tool to predict the composition of interstellar ices from IR absorption spectra (AICE)
Megías et al. 2025, A&A, 702, A87
In this work, we present the new tool AICE, which analyses IR ice absorption spectra by using neural networks. We apply this tool to recent JWST Ice Age data toward the highly extincted stars NIR38 and J110621.OPEN ACCESS
The conglomeratic nature of methanol clusters on graphene surfaces
The conglomeratic nature of methanol clusters on graphene surfaces
García de la Concepción et al. 2025, RSC Advances, vol. 15, 16, 12246
In this work, we show how CH3OH clusters can form chiral structures on graphene surfaces. These structures can remain intact at temperatures as high as 120-150 K, representing a plausible mechanism for the origin of homochirality under ISM conditions.OPEN ACCESS
Conformational isomerism of methyl formate: discovery of the higher-energy trans-conformer in the ISM
Conformational isomerism of methyl formate: discovery of the higher-energy trans-conformer in the ISM
Sanz-Novo et al. 2025, A&A, 698A, 36S
We present the detections of trans-methyl formate toward the Galactic Center molecular cloud G+0.693-0.027 and the protostellar shock L1157-B1, providing definite observational evidence of its presence in the ISM.OPEN ACCESS
On the abiotic origin of dimethyl sulfide: Discovery in the interstellar medium
On the abiotic origin of dimethyl sulfide: Discovery in the interstellar medium
Sanz-Novo et al. 2025, ApJL, 980, L37
We report the discovery of dimethyl sulfide (CH3SCH3), a recently proposed exoplanet biomarker, in the interstellar medium. These results show that this molecule can be formed abiotically under interstellar conditions and could contribute to the chemical composition of cometesimals and planetesimals.OPEN ACCESS
OPENS visits the Spanish Prime Minister for the Day of Europe
OPENS visits the Spanish Prime Minister for the Day of Europe
09/05/2025 OPENS visits La Moncloa Palace
In this meeting, the PI Izaskun Jiménez-Serra explains the goals of OPENS and the importance of the ERC grant funding for the future of Spanish research, to the Spanish Prime Minister, Pedro Sánchez.PRESS RELEASE
Discovery of MgS and NaS in the ISM and Tentative Detection of CaO
Discovery of MgS and NaS in the ISM and Tentative Detection of CaO
Rey-Montejo et al. 2024, ApJ, 975, 174R
We report the first detection of the metal-bearing molecules sodium sulfide and magnesium sulfide and the tentative detection of calcium monoxide in the interstellar medium toward the Galactic center molecular cloud G+0.693-0.027.
OPEN ACCESS
Modelling methanol and hydride formation in the JWST Ice Age era
Modelling methanol and hydride formation in the JWST Ice Age era
Jiménez-Serra et al. 2025, A&A, 695A, 247J
We present the chemical modelling of the ice composition measured toward the Chamaeleon I molecular cloud with the JWST. This is the first time that multiple state-of-the-art astrochemical codes are used collaboratively to understand the formation of methanol (CH3OH) and of hydrides such as NH3 and CH4.
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Chemistry in the Galactic Center
Chemistry in the Galactic Center
Jiménez-Serra et al. 2025, to appear in the proceedings of Kavli-IAU 383 Astrochemistry Symposium
This contribution reviews our current understanding of the chemistry in Galactic Center molecular clouds, and summarize the recent detections toward G+0.693-0.027 of key precursors of prebiotic chemistry.
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