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astro-ph.CO2020
Improving Helium Abundance Determinations with Leo P as a Case Study
Erik Aver, Danielle A. Berg, Keith A. Olive +3
Currently, the primordial helium abundance is best estimated through spectroscopic observations of H II regions in metal-poor galaxies. However these determinations are limited by…
astro-ph.CO2015★ 413 cited
The effects of He I 10830 on helium abundance determinations
Erik Aver, Keith A. Olive, Evan D. Skillman
Observations of helium and hydrogen emission lines from metal-poor extragalactic H II regions provide an independent method for determining the primordial helium abundance, Y_p. Tr…