Autor:
Marconi, M.
Minniti, D.
We report the first estimate of the He abundance of the population of RR Lyrae stars in the Galactic bulge. This is done by comparing the recent observational data with the latest models. We use the large samples of ab-type RR Lyrae stars found by OGLE IV in the inner bulge and by the VVV survey ...
Enlace original:
http://repositorio.unab.cl/xmlui/handle/ria/6721
Marconi, M.
,
Minniti, D.
,
[Gauging the Helium Abundance of the Galactic Bulge RR Lyrae Stars]
,
Gauging the Helium Abundance of the Galactic Bulge RR Lyrae Stars
