2 papers
astro-ph1999
Horizontal-Branch Stars as an Age Indicator
Young-Wook Lee, Suk-Jin Yoon, Hyun-chul Lee +1
Surface temperature distribution of horizontal-branch (HB) stars is very sensitive to age in old stellar systems, which makes it an attractive age indicator. In this paper, we pres…
astro-ph1999
Spectrophotometric Dating of Elliptical Galaxies in the Ultraviolet
Y. -W. Lee, J. -H. Woo, S. Yi +1
The UV upturn phenomenon observed in elliptical galaxies is attractive for its potential value as an age indicator of old stellar systems. We present our most recent population mod…