Age dependence of metallicity gradients in the Galactic disc from astrometry and asteroseismology

被引：1
|
作者：
Casagrande, Luca [1 ]
机构：
[1] Australian Natl Univ, Res Sch Astron & Astrophys, Mt Stromlo Observ, Weston, ACT 2611, Australia
来源：
ASTROMETRY AND ASTROPHYSICS IN THE GAIA SKY | 2018年 / 12卷 / S330期
关键词：
Galaxy: stellar content; Galaxy: disc; Galaxy: evolution; stars: fundamental parameters; stars: oscillations; surveys; techniques: photometric;
D O I：
10.1017/S1743921317005865
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Asteroseismology allows us to determine stellar parameters (distances, masses and ages) independently from Gaia astrometry, and it provides us with a new and complementary tool for studying stellar populations in the Galaxy. The prospects and synergies that astero-seismic and astrometric space-borne missions reserve to the field of Galactic archaeology are marvellous, and results have already started to emerge. For example, the study of metallicity gradients as function of age will provide powerful constraints to understand the evolution of the Milky Way disc at high-redshift.
引用
收藏
页码：206 / 207
页数：2
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