189 citations · 1.1k across the 28 of their papers we have counts for
Showing 2008 · astro-phShow all
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astro-ph2008★ 2 cited
The Primordial Helium Abundance
Manuel Peimbert
I present a brief review on the determination of the primordial helium abundance by unit mass, Yp. I discuss the importance of the primordial helium abundance in: (a) cosmology, (b…
astro-ph2008★ 9 cited
The Helium and Heavy Elements Enrichment of the Galactic Disk
Leticia Carigi, Manuel Peimbert
We present chemical evolution models for the Galactic disk. We also present a new determination of X, Y, and Z for M17 a Galactic metal-rich Hii region. We compare our models for t…