Discovery of a very metal-poor galaxy overdensity of 17 members near a possible Pop III-enriched absorber at z=5.945, with estimated minimum halo mass of log(M_h,min/M_⊙)=10.68.
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Pixel-by-pixel SBI modeling recovers young massive Pop III clumps at up to 90 percent rate in favorable JWST-like configurations while integrated analyses fail due to contamination.
NEFERTITI simulations show that the Milky Way's most metal-poor stars largely come from a handful of accreted massive dwarf galaxies, while reproducing the JWST Hebe galaxy at z~11 as a pure Population III system.
High-redshift HeII emitter observations confirm a >50% PopIII stellar mass fraction and favor top-heavy IMFs for the first stars with total masses 2e4 to 6e5 solar masses.
Existing HeII emission-line diagnostics identify pure Pop III galaxies but fail for hybrid Pop III/Pop II systems, introducing spectral degeneracies that hide residual first stars.
Cosmological simulations and SED modeling favor a Pop III star cluster of a few ×10^5 M_sun over an accreting SMBH as the power source for the He II emitter Hebe near GN-z11 at z=10.6.
citing papers explorer
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Possible chemical signatures of first-star enrichment in a very metal-poor galaxy overdensity near the end of reionization
Discovery of a very metal-poor galaxy overdensity of 17 members near a possible Pop III-enriched absorber at z=5.945, with estimated minimum halo mass of log(M_h,min/M_⊙)=10.68.
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A Pixel-by-Pixel Path to Population III Discovery with JWST
Pixel-by-pixel SBI modeling recovers young massive Pop III clumps at up to 90 percent rate in favorable JWST-like configurations while integrated analyses fail due to contamination.
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NEFERTITI: Linking early galaxy formation to the assembly of the Milky Way
NEFERTITI simulations show that the Milky Way's most metal-poor stars largely come from a handful of accreted massive dwarf galaxies, while reproducing the JWST Hebe galaxy at z~11 as a pure Population III system.
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The Pristine HeII Emitter near GN-z11: Constraining the Mass Distribution of the First Stars
High-redshift HeII emitter observations confirm a >50% PopIII stellar mass fraction and favor top-heavy IMFs for the first stars with total masses 2e4 to 6e5 solar masses.
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On the detection of Population III galaxies: Emission Line Diagnostics for Hybrid Stellar Populations
Existing HeII emission-line diagnostics identify pure Pop III galaxies but fail for hybrid Pop III/Pop II systems, introducing spectral degeneracies that hide residual first stars.
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What is Powering the Enigmatic He II Emitter Hebe: The First Stars or Black Holes?
Cosmological simulations and SED modeling favor a Pop III star cluster of a few ×10^5 M_sun over an accreting SMBH as the power source for the He II emitter Hebe near GN-z11 at z=10.6.
- How can we finally see the first light? Status and perspective in the search for Population III stars