The Y 2 isochrones

Sukyoung K. Yi; Pierre Demarque; Yong Cheol Kim

doi:10.1023/B:ASTR.0000044330.92199.e2

The Y ² isochrones

Sukyoung K. Yi, Pierre Demarque, Yong Cheol Kim

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

We present a new set of isochrones in which the effect of the α-element enhancement is fully incorporated. The isochrone tables, together with interpolation routines in age and chemical composition, and in [α/Fe] are available on request as well as from the electronic version of our ApJ papers. Newly derived ages of Galactic globular clusters using these isochrones are 20 to 30% smaller than previous estimates.

Original language	English
Pages (from-to)	261-262
Number of pages	2
Journal	Astrophysics and Space Science
Volume	291
Issue number	3-4
DOIs	https://doi.org/10.1023/B:ASTR.0000044330.92199.e2
Publication status	Published - 2004

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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10.1023/B:ASTR.0000044330.92199.e2

Cite this

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title = "The Y 2 isochrones",

abstract = "We present a new set of isochrones in which the effect of the α-element enhancement is fully incorporated. The isochrone tables, together with interpolation routines in age and chemical composition, and in [α/Fe] are available on request as well as from the electronic version of our ApJ papers. Newly derived ages of Galactic globular clusters using these isochrones are 20 to 30% smaller than previous estimates.",

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AB - We present a new set of isochrones in which the effect of the α-element enhancement is fully incorporated. The isochrone tables, together with interpolation routines in age and chemical composition, and in [α/Fe] are available on request as well as from the electronic version of our ApJ papers. Newly derived ages of Galactic globular clusters using these isochrones are 20 to 30% smaller than previous estimates.

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DO - 10.1023/B:ASTR.0000044330.92199.e2

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SP - 261

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JO - Astrophysics and Space Science

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ER -

The Y ² isochrones

Abstract

All Science Journal Classification (ASJC) codes

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