紫外波段演化恒星星族合成的未决问题
Open Issues on the Synthesis of Evolved Stellar Populations at Ultraviolet Wavelengths
摘要：
在本文中，我们简要回顾了三个主题，激发了我们（和其他人）的调查，近年来的背景下，进化人口合成技术。这些是：椭圆星系FUV上弯的起源、年龄-金属丰度简并度和遥远红星系中UV静止标架谱的研究。我们总结了我们的一些结果，并提出了一个非常初步的应用紫外网格的理论光谱分析的综合性质的老年恒星星族。最后，我们简要地建议，一旦世界空间天文台在本十年中期投入运行，如何处理这些问题。
英文摘要：
In this paper we briefly review three topics that have motivated our (and others') investigations in recent years within the context of evolutionary population synthesis techniques. These are: The origin of the FUV up-turn in elliptical galaxies, the age-metallicity degeneracy, and the study of the mid-UV rest-frame spectra of distant red galaxies. We summarize some of our results and present a very preliminary application of a UV grid of theoretical spectra in the analysis of integrated properties of aged stellar populations. At the end, we concisely suggest how these topics can be tackled once the World Space Observatory enters into operation in the midst of this decade.
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