The 1.6 mu m bump as a diagnostic of TP-AGB contributions and recent quenching. I. Insights from stellar population models

arXiv:2609.35969 · astro-ph.GA · Submitted 2026-09-28 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-28

Updated: 2026-09-28

Code: https://github.com/mfouesneau/pyphot

Project page: https://mfouesneau.github.io/pyphot/licks.html

Terminology

• Metallicity — 33× in this paper · explained in 3 episodes
• Calibration — 5× in this paper · explained in 7 episodes
• AGN — 4× in this paper · explained in 1 episode
• Trace — 4× in this paper · explained in 2 episodes
• Objective Function — 3× in this paper · explained in 2 episodes
• Dust Attenuation — 2× in this paper · explained in 2 episodes
• Galaxy Quenching — 2× in this paper · explained in 3 episodes
• National Natural Science Foundation of China — 2× in this paper
• Population Synthesis — 2× in this paper · explained in 2 episodes
• Velocity Dispersion — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Flexible Stellar Population Synthesis — 1× in this paper
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• Little Red Dots — 1× in this paper · explained in 2 episodes
• Xshooter Spectral Library — 1× in this paper

Sources

• The Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s
• Science Impacts of the SPHEREx All-Sky Optical to Near-Infrared Spectral Survey: Report of a Community Workshop Examining Extragalactic, Galactic, Stellar and Planetary Science
• Science Impacts of the SPHEREx All-Sky Optical to Near-Infrared Spectral Survey II: Report of a Community Workshop on the Scientific Synergies Between the SPHEREx Survey and Other Astronomy Observatories
• Comparing the Near-infrared Spectral Energy Distributions from Different Stellar Population Synthesis Models with SPHEREx Observations
• Synthetic Spectral Library of Optically Thick Atmospheres for Little Red Dots
• Prevailing thermally-pulsing-asymptotic-giant branch stars in the near-infrared rest-frame spectra of distant quiescent galaxies: towards robust galaxy ages and masses
• Wide-Field InfrarRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report

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