What type of study is this?

This is a Quantitative Study study.

October 10, 2025Open Access

A GLIMPSE into the very faint-end of the H$β$+[OIII]$λλ$4960,5008 luminosity function at z=7-9 behind Abell S1063

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Authors

DKDamien KorberUniversity of Geneva ICIryna ChemerynskaCentre National de la Recherche Scientifique LFLukas J. FurtakBen-Gurion University of the Negev

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Implication

Analysis reveals a flatter luminosity function in the faint-end H$β$+[OIII], suggesting lower density of emitters. This impacts our understanding of star formation in distant galaxies.

Key Points

The study shows a flatter H$β$+[OIII] luminosity function compared to UV luminosity function at high redshifts, indicating fewer low emitters.
Measurements indicate that galaxies with H$α$ flux above 10^{39} erg/s contribute significantly to the ionising photon budget at redshifts 7 to 9.
Assumptions about the evolving [OIII]/H$β$ ratio reveal a steeper H$β$ luminosity function, integrating effects of star formation and metallicity.
The findings suggest very faint galaxies contribute minimally to ionising photon production, aligning cosmic star formation rate density estimates with prior research.

Cite This Study

Korber et al. (2025) studied this question.

synapsesocial.com/papers/68e997abe14057276da7f20e https://doi.org/10.48550/arxiv.2510.04771

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Implication

Analysis reveals a flatter luminosity function in the faint-end H$β$+[OIII], suggesting lower density of emitters. This impacts our understanding of star formation in distant galaxies.

A GLIMPSE into the very faint-end of the H$β$+[OIII]$λλ$4960,5008 luminosity function at z=7-9 behind Abell S1063

Discussion

Member takes

Implication

Key Points

Cite This Study

A GLIMPSE into the very faint-end of the H$β$+[OIII]$λλ$4960,5008 luminosity function at z=7-9 behind Abell S1063

Discussion

Member takes

Implication

Key Points

Cite This Study

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