Abstract
This article describes estimates of the ages and initial helium abundances of stars in M15, which are among the oldest objects in the galaxy as well as representing the galaxy's most abundant stellar component.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
Iben, I., and Faulkner, J., Astrophys. J., 153, 101 (1968).
Rood, R., and Iben, I., Astrophys. J., 154 (in the press).
Iben, I., Astrophys. J., 154 (in the press).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
IBEN, I. Age and Initial Helium Abundance of Stars in the Globular Cluster M15. Nature 220, 143–146 (1968). https://doi.org/10.1038/220143a0
Received:
Issue Date:
DOI: https://doi.org/10.1038/220143a0
This article is cited by
-
On the blind use of statistical tools in the analysis of globular cluster stars
Nature Astronomy (2018)
-
Horizontal branch stars: the interplay between observations and theory, and insights into the formation of the Galaxy
Astrophysics and Space Science (2009)
-
Beta-delayed fission and neutron emission: Consequences for the astrophysicalr-process and the age of the galaxy
Zeitschrift f�r Physik A Atoms and Nuclei (1983)
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.