A new photometric index of globular-cluster chemical enrichment, corrected for metallicity, correlates most strongly with orbital confinement, suggesting an environmental imprint on multiple-population formation.
MNRAS , archivePrefix = "arXiv", eprint =
6 Pith papers cite this work, alongside 99 external citations. Polarity classification is still indexing.
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JWST lensing-cluster spectra push the z~6 mass–metallicity relation to M*~10^6.6 Msun and reveal a UV-vs-optical nitrogen discrepancy suggesting local nitrogen enhancement, possibly from Wolf-Rayet stars.
The helium mass fraction difference between the two main populations of NGC 2808 is about 0.15, the same as inferred without chemically self-consistent models.
Two ~6-8 Gyr old SMC clusters show sodium abundance differences of 0.18-0.24 dex between nitrogen-poor and nitrogen-rich red giants, matching the pattern seen in ancient globular clusters.
Globular cluster mass fractions, in-situ fractions, metallicity spreads, and spatial profiles in simulated compact galaxies can identify massive relic analogs with early assembly histories.
New abundance measurements for NGC 6723 align its chemical patterns with other metal-intermediate globular clusters rather than indicating a transition to metal-rich properties.
citing papers explorer
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A universal chromosome map for globular clusters: chemical calibration and environmental regulation of the multiple populations
A new photometric index of globular-cluster chemical enrichment, corrected for metallicity, correlates most strongly with orbital confinement, suggesting an environmental imprint on multiple-population formation.
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Gas-Phase Metallicity and Nitrogen Abundances in Low-Mass Galaxies Down to $M_\star\simeq10^{5.7}\,M_\odot$ at $z\simeq4.5$--$10.1$ from JWST Lensing Cluster Surveys
JWST lensing-cluster spectra push the z~6 mass–metallicity relation to M*~10^6.6 Msun and reveal a UV-vs-optical nitrogen discrepancy suggesting local nitrogen enhancement, possibly from Wolf-Rayet stars.
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Chemically Self-Consistent Modeling of the Globular Cluster NGC 2808 and its Effects on the Inferred Helium Abundance of Multiple Stellar Populations
The helium mass fraction difference between the two main populations of NGC 2808 is about 0.15, the same as inferred without chemically self-consistent models.
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Tracing the relic nature of compact galaxies through their globular cluster systems
Globular cluster mass fractions, in-situ fractions, metallicity spreads, and spatial profiles in simulated compact galaxies can identify massive relic analogs with early assembly histories.