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The 1.6 $μ\mathrm{m}$ $\rm{H^{-}}$ bump as a diagnostic of TP-AGB contributions and recent quenching. I. Insights from stellar population models

Lu, Pengjun et al.
arXiv (All) · Papers
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astrophysics-of-galaxies
The 1.6 $μ\mathrm{m}$ $\rm{H^{-}}$ bump arises from a minimum in the opacity of the negative hydrogen ion in cool stellar atmospheres. Although it is recognized as a common feature in galaxy spectra, its potential for studying stellar populations and recent quenching remains little explored. Its enh
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