A big step forward with SHARP: spatially resolved stellar population properties in passive galaxies at z > 1.5

arXiv:2606.31628 · astro-ph.GA · Submitted 2026-06-30 · Read on arXiv

A. Gargiulo, C. Mancini, F. R. Ditrani, S. Bisogni, P. Franzetti, G. Vietri, A. Gallazzi, M. Longhetti, S. Zibetti

astro-ph.GA

Submitted: 2026-06-30

Comments: 11 pages, published on New Astronomy in SHARP Science Book

Journal ref: 2026NewA..12702578G

DOI: 10.1016/j.newast.2026.102578 10.1016/j.newast.2026.102578

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

Terminology

• Metallicity — 21× in this paper · explained in 3 episodes
• Abundance — 8× in this paper · explained in 1 episode
• Core — 7× in this paper · explained in 2 episodes
• Aperture — 5× in this paper · explained in 1 episode
• Age Gradients — 3× in this paper · explained in 1 episode
• AGN — 2× in this paper · explained in 1 episode
• Degeneracy — 2× in this paper · explained in 3 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Dust Attenuation — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• REQUIEM-2D: A diversity of formation pathways in a sample of spatially-resolved massive quiescent galaxies at z~2
• A surprising abundance of massive quiescent galaxies at 3 < z < 5 in the first data from JWST CEERS
• A massive quiescent galaxy at redshift 4.658
• Sizes, Colour gradients and Resolved Stellar Mass Distributions for the Massive Cluster Galaxies in XMMUJ2235-2557 at z = 1.39
• Age and metal gradients in massive quiescent galaxies at $0.6 \lesssim z \lesssim 1.0$: implications for quenching and assembly histories
• Clues to inside-out quenching in quiescent galaxies at $1.2\lesssim z\lesssim2.2$: Age, Fe-, and Mg-abundance gradients from JWST-SUSPENSE
• Colour gradients in cluster ellipticals at z~1.4: the hidden content of the galaxy central regions
• Passively Evolving Early-type Galaxies at 1.4<z<2.5 in the Hubble Ultra Deep Field
• Wet Disc Contraction to Galactic Blue Nuggets and Quenching to Red Nuggets
• Inverse stellar population age gradients of post-starburst galaxies at z=0.8 with LEGA-C
• On the survival of metallicity gradients to major dry-mergers
• Stellar population gradients at cosmic noon as a constraint to the evolution of passive galaxies
• A census of metals and baryons in stars in the local Universe
• The ages and metallicities of galaxies in the local universe
• VIMOS Public Extragalactic Redshift Survey (VIPERS). The distinct build-up of dense and normal massive passive galaxies
• Spatially Resolved Colors and Stellar Population Properties in Early-Type Galaxies at z ~ 1.5
• DAWN JWST Archive: Morphology from profile fitting of over 340 000 galaxies in major fields
• SDSS-IV MaNGA: stellar population gradients as a function of galaxy environment
• The CALIFA survey across the Hubble sequence: Spatially resolved stellar population properties in galaxies
• The stellar accretion origin of stellar population gradients in massive galaxies at large radii

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