Dissecting the 3D chemo-dynamical structures of NGC 1381: a galaxy hosting an ancient slow bar with an accreted bulge and thick disc

arXiv:2607.00497 · astro-ph.GA · Submitted 2026-07-01 · Read on arXiv

Yunpeng Jin, Ling Zhu, Shude Mao, Marie Martig, Francesca Pinna, Glenn van de Ven, Yuchen Ding

astro-ph.GA

Submitted: 2026-07-01

Comments: 19 pages, 20 figures

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

Terminology

• Metallicity — 31× in this paper · explained in 3 episodes
• Abundance — 29× in this paper · explained in 1 episode
• Velocity Dispersion — 8× in this paper · explained in 2 episodes
• Aperture — 2× in this paper · explained in 1 episode
• Environmental Quenching — 2× in this paper · explained in 2 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• alpha — 2× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Age Gradients — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Dynamical modelling of ATLAS$^{\rm 3D}$ galaxies

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