Two stellar clocks, one history: a Gaia colour-magnitude-diagram reconstruction of the solar-neighbourhood star-formation history tested against white dwarfs

arXiv:2607.20612 · astro-ph.GA, astro-ph.SR · Submitted 2026-07-22 · Read on arXiv

Michele Cignoni, Pier Giorgio Prada Moroni, Martina Gabbanini, Scilla Degl'Innocenti, Antonio Tinarelli

INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, Bologna, Italy · INFN Pisa, Pisa, Italy · Dipartimento di Fisica, Università di Pisa, Pisa, Italy · INFN Pisa, Pisa, Italy · Dipartimento di Fisica, Università di Pisa, Pisa, Italy

astro-ph.GA, astro-ph.SR

Submitted: 2026-07-22

Comments: 12 pages, 9 figures. Accepted for publication in Astronomy & Astrophysics

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

Terminology

• Metallicity — 30× in this paper · explained in 3 episodes
• Consistency — 8× in this paper · explained in 3 episodes
• Core — 5× in this paper · explained in 2 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Accuracy — 2× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes
• Robustness — 1× in this paper · explained in 5 episodes

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