从原恒星到行星系统:YSO、原行星盘和太阳系外巨行星的FUV光谱学
From Protostars to Planetary Systems : FUV Spectroscopy of YSOs, Protoplanetary Disks, and Extrasolar Giant Planets
摘要:
在过去的二十年里,我们在确定银河系世界的丰富性和多样性这一长期目标方面取得了显著进展。对这个主题的理解包括追踪星际物质的路径,从致密的云核,到年轻的恒星物体,原行星盘,最后到太阳系外行星。在这里,我们讨论了点源远紫外光谱提供的关键信息,这些对象具有大口径,高分辨率摄谱仪的大样本的独特的原恒星和原行星的对象,将利用我们现有的知识,奠定了一条新的和强大的洞察形成过程的路径。我们提出了一个协调观测的系统案例,这将产生关于原恒星和原行星系统组装过程的新知识-解决我们现有知识中的具体不确定性,并利用潜在的新技术来获取所需的数据。
英文摘要:
The last two decades have seen remarkable progress in our long-standing goal of determining the abundance and diversity of worlds in the Galaxy. Understanding of this subject involves tracing the path of interstellar material from dense cloud cores, to young stellar objects, protoplanetary disks, and finally extrasolar planets. Here we discuss the critical information provided on these objects by point-source far-ultraviolet spectroscopy with a large aperture, high resolution spectrograph of a large sample of unique protostellar and protoplanetary objects that will leverage our existing knowledge to lay out a path to new and powerful insight into the formation process. We lay out a systematic case of coordinated observations that will yield new knowledge about the process of assembly for both protostellar and protoplanetary systems - that addresses specific uncertainties in our current knowledge and takes advantage of potential new technologies to acquire the data needed.
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