All known Be-rich stars associate with Thamnos-2, with Be/Li excess ratios and Si correlations indicating a rare hypernova-driven spallation enrichment event ~13 Gyr ago.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Five halo substructures (disk, Splash, GSE, Thamnos1, Thamnos2) are recovered with distinct chemo-dynamical properties supporting extragalactic origins.
citing papers explorer
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Beryllium enhancement in stars of the accreted Thamnos-2 system
All known Be-rich stars associate with Thamnos-2, with Be/Li excess ratios and Si correlations indicating a rare hypernova-driven spallation enrichment event ~13 Gyr ago.
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Searching for and characterizing halo substructures with the GALAH DR4 survey
Five halo substructures (disk, Splash, GSE, Thamnos1, Thamnos2) are recovered with distinct chemo-dynamical properties supporting extragalactic origins.