Stellar populations: High spectral resolution libraries. Improved TP-AGB treatment

被引：0
|
作者：
Bruzual, G. [1 ]
机构：
[1] Ctr Invest Astron, Merida 5101A, Venezuela
来源：
FROM STARS TO GALAXIES: BUILDING THE PIECES TO BUILD UP THE UNIVERSE | 2007年 / 374卷
关键词：
EVOLUTIONARY SYNTHESIS; GALAXIES; METALLICITY;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
I present a short description of the STELIB, HNGSL, IndoUS, MILES, ELODIE, UVES-POP, and IRTF libraries of empirical stellar spectra and show some applications of their use in population synthesis models. When new calculations of the TP-AGB evolutionary phase for stars of different mass and metallicity are included in population synthesis models, the stellar mass in galaxies at z from 1 to 3 determined from spectro-photometric data can be up to 50% lower than the mass determined from the BC03 models. The ages inferred for these populations are considerably lower than the BC03 estimates.
引用
收藏
页码：303 / 310
页数：8
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