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August 1, 2024Monthly Notices of the Royal Astronomical Society118 citationsOpen Access

Star-Forming and Ionizing Properties of Early Dwarf Galaxies in JADES

The Star-forming and Ionizing Properties of Dwarf z ∼ 6 − 9 Galaxies in JADES: Insights on Bursty Star Formation and Ionized Bubble Growth

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Authors

RERyan EndsleyDSDaniel P. StarkLWLily Whitler

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Overview

Deep photometric survey demonstrates declining emission line equivalent widths in faint early dwarf galaxies, indicating bursty star formation and variable contributions to reionization.

Key Points

  • Faint dwarf galaxies at redshift 6 to 9 exhibit lower emission line equivalent widths, reflecting lower metallicity and recently declining star formation rate trends.
  • Deep nine-band space telescope imaging of 756 early galaxies reveals typical stellar mass values around 10^7 solar masses without extremely massive objects.
  • These spectral signatures indicate that variations in Lyman continuum escape fraction and bursty star formation govern galaxy contributions to reionization.
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Cite This Study

Endsley et al. (2024) studied this question.

synapsesocial.com/papers/68e5dc44b6db64358757172ehttps://doi.org/10.1093/mnras/stae1857
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Insight from <i>JWST</i>/Near Infrared Camera into galaxy overdensities around bright Lyman-alpha emitters during reionization: implications for ionized bubbles at <i>z</i> ∼ 92024 · 29 citations
  2. 2Ionising properties of galaxies in JADES for a stellar mass complete sample: resolving the cosmic ionising photon budget crisis at the Epoch of Reionisation2024
  3. 3CANUCS: UV and ionizing properties of dwarf star-forming galaxies at <i>z</i> ~ 5–72024 · 9 citations
  4. 4Modelling the star-formation activity and ionizing properties of high-redshift galaxies2024 · 5 citations
  5. 5JADES: The star-formation and chemical enrichment history of a luminous galaxy at z~9.43 probed by ultra-deep JWST/NIRSpec spectroscopy2024 · 1 citations