TP-AGB stars in population synthesis models

被引：7

作者：

Marigo, Paola ^{[1
]}

Girardi, Leo ^{[2
]}

Bressan, Alessandro ^{[2
]}

Aringer, Bernhard ^{[2
,3
]}

Gullieuszik, Marco ^{[2
]}

Held, Enrico V. ^{[2
]}

Groenewegen, Martin A. T. ^{[4
]}

Silva, Laura ^{[5
]}

Granato, Gian Luigi ^{[5
]}

机构：

[1] Univ Padua, Dept Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy

[2] INAF, Astron Observ Padova, I-35122 Padua, Italy

[3] Univ Vienna, Dept Astron, A-1180 Vienna, Austria

[4] Royal Observ Belgium, B-1180 Brussels, Belgium

[5] INAF, Astron Observ Trieste, I-34131 Trieste, Italy

来源：

STELLAR POPULATIONS: PLANNING FOR THE NEXT DECADE | 2010年 / 262期

关键词：

ASYMPTOTIC GIANT BRANCH; SINGLE STELLAR POPULATIONS; MAGELLANIC CLOUD CLUSTERS; EVOLVED STARS; FORMATION HISTORY; INTERMEDIATE-AGE; INFRARED COLORS; LMC CLUSTERS; MASS-LOSS; MU-M;

D O I：

10.1017/S1743921310002498

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In spite of its relevance, the Thermally Pulsing Asymptotic Giant Branch (TP-AGB) phase is one of the most uncertain phases of stellar evolution, and a major source of disagreement between the results of different population synthesis models of galaxies. I will briefly review the existing literature on the subject, and recall the basic prescriptions that have been used to fix the contribution of TP-AGB stars to the integrated light of stellar populations. The simplicity of these prescriptions greatly contrasts with the richness of details provided by present-day databases of AGB stars in the Magellanic Clouds, which are now being extended to other nearby galaxies. I will present the first results of an ongoing study aimed at simulating photometry, chemistry, pulsation, mass loss, dust properties of AGB star populations in resolved and un-resolved galaxies. We test our predictions against observations from various surveys of the Magellanic Clouds (DENIS, 2MASS, OGLE, MACHO, Spitzer, and AKARI). I will discuss the implications and outline the plan of future developments.

引用

页码：36 / +

页数：2

共 50 条

[1] TP-AGB STARS AND POPULATION SYNTHESIS MODELS
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[4] Mixing and nucleosynthesis in rotating TP-AGB stars
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[9] Nucleosynthesis in TP-AGB stars and the production of 19F
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