Balmer Break Measurements Trace Departures from the Star-Forming Main Sequence at 1<z<4 with JWST/NIRSpec

arXiv:2609.31827 · astro-ph.GA · Submitted 2026-09-25 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-25

Updated: 2026-09-25

Code: https://github.com/TheSkyentist/GELATO

Terminology

• Dust Attenuation — 13× in this paper · explained in 2 episodes
• Trace — 9× in this paper · explained in 2 episodes
• AGN — 6× in this paper · explained in 1 episode
• Consistency — 6× in this paper · explained in 3 episodes
• Anti-correlation — 5× in this paper · explained in 3 episodes
• Metallicity — 4× in this paper · explained in 3 episodes
• Calibration — 3× in this paper · explained in 7 episodes
• AGN Feedback — 2× in this paper · explained in 1 episode
• Population Synthesis — 2× in this paper · explained in 2 episodes
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
• Star Formation Rate (SFR) — 1× in this paper · explained in 5 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• TP-AGB stars and stellar population properties of a post-starburst galaxy at $z \sim 2$ through optical and NIR spectroscopy with JWST
• MAGAZ3NE: Dust Deficiency in Ultramassive Quiescent Galaxies at $3<z<4$ with ALMA Observations
• JADES Data Release 4 Paper I: Sample Selection, Observing Strategy and Redshifts of the complete spectroscopic sample
• The JADES Origins Field: A New JWST Deep Field in the JADES Second NIRCam Data Release
• The 2013 Release of Cloudy
• Tracing the Evolution of the Balmer Break from Cosmic Dawn to Cosmic Noon with JWST
• The SMILES Mid-Infrared Survey
• Confirming Near- to Mid-IR Photometrically-Identified Obscured AGNs in the JWST era
• JADES Initial Data Release for the Hubble Ultra Deep Field: Revealing the Faint Infrared Sky with Deep JWST NIRCam Imaging
• JADES Data Release 4 -- Paper II: Data reduction, analysis and emission-line fluxes of the complete spectroscopic sample
• The JWST EXCELS survey: Insights into the nature of quenching at cosmic noon
• SMILES Data Release II: Probing Galaxy Evolution during Cosmic Noon and Beyond with NIRSpec Medium-Resolution Spectra

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