The underlying stellar absorption contribution to the primordial helium abundance determination
Cosmology and Nongalactic Astrophysics
2011-04-20 v1
Abstract
We carried out an exploratory analysis of the contribution of the underlying stellar absorption to the total uncertainty of the abundance of primordial helium using simple stellar populations models and observational data from the Sloan Digital Sky Survey. Results indicate that our analysis yields a lower limit to the error on the helium abundance determination if the stellar absorption is neglected.
Keywords
Cite
@article{arxiv.1104.3845,
title = {The underlying stellar absorption contribution to the primordial helium abundance determination},
author = {F. F. Rosales-Ortega and R. Terlevich and E. Bertone and M. Chavez},
journal= {arXiv preprint arXiv:1104.3845},
year = {2011}
}
Comments
4 pages, contribution in "Resolved Stellar Populations", Cancun, Mexico, 18-22 April 2005, ASP Conference Series, Vol. TBA, D. Valls-Gabaud & M. Chavez (eds)