PRIMORDIAL HELIUM ABUNDANCE BY RRL: NEW RESULT
New results of the Primordial Helium abundance (Yp) measurement by radio recombination lines (RRL) observations from galactic HII regions are presented. The RRL observations were carried out with two Parabolas: RT32(λ = 13.5 mm and 3.5 cm, Medicina, Italy) and RT22 (λ = 8 and 13.5 mm, Pushchino, Rus...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Odessa I. I. Mechnykov National University
2017-03-01
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Series: | Odessa Astronomical Publications |
Online Access: | http://oap.onu.edu.ua/article/view/93269 |