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20032025
most citedThe Synoptic All-Sky Infrared (SASIR) Survey

6 citations

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astro-ph2007★ 4 cited

On the Primordial Helium Abundance and the DeltaY/DeltaO Ratio

M. Peimbert, V. Luridiana, A. Peimbert +1

We present a review on the determination of the primordial helium abundance, Yp, based on the study of hydrogen and helium recombination lines in extragalactic H II regions. We als…