High 12 C/ 13 C isotopic ratios toward G+0.693-0.027: evidence for gas inflow to the Central Molecular Zone

arXiv:2607.06541 · astro-ph.GA, astro-ph.EP, astro-ph.SR · Submitted 2026-07-07 · Read on arXiv

L. Colzi, O. Sipilä, I. Jiménez-Serra, V. M. Rivilla, M. Sanz-Novo, S. Martín, S. Zeng

astro-ph.GA, astro-ph.EP, astro-ph.SR

Submitted: 2026-07-07

Comments: 23 pages, 21 figures, 4 tables, 4 appendix - Accepted for publication in A&A

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Abundance — 31× in this paper · explained in 1 episode
• Central Molecular Zone — 16× in this paper
• Metallicity — 11× in this paper · explained in 3 episodes
• Galactic Chemical Evolution — 8× in this paper
• AGN — 4× in this paper · explained in 1 episode
• Initial Mass Function — 3× in this paper
• Trace — 3× in this paper · explained in 2 episodes
• Anisotropy — 1× in this paper · explained in 3 episodes
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• Large Magellanic Cloud — 1× in this paper
• Spectral Line Identification and Modeling — 1× in this paper
• Stellar Feedback — 1× in this paper · explained in 2 episodes

Sources

• A detection of sulfur-bearing cyclic hydrocarbons in space

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