太阳低层大气中的波:下一代太阳望远镜的曙光

IF 20.9 1区 物理与天体物理 Living Reviews in Solar Physics Pub Date : 2023-01-19 DOI:10.1007/s41116-022-00035-6
David B. Jess, Shahin Jafarzadeh, Peter H. Keys, Marco Stangalini, Gary Verth, Samuel D. T. Grant
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引用次数: 0

摘要

半个多世纪以来,人们一直在观测太阳大气中的波动和振荡。虽然这种现象已经在整个电磁波谱中被很容易地观察到,从无线电到伽马射线源,但在向太阳日冕最外层提供能量的过程中,波的潜在作用尚未被揭示。特别令人感兴趣的是太阳低层大气,包括光球层和色球层,因为这些区域拥有强大的磁通量束,能够引导从太阳表面向上的振荡运动。因此,许多当前和下一代地基和天基观测设施都将注意力集中在太阳低层大气的这些脆弱层上,试图在尽可能高的时空尺度上研究高能波现象的产生、传播和最终耗散的机制。在这里,我们提出了一个双重回顾,旨在概述太阳物理界目前拥有的波分析技术,以及过去十年中取得的科学进步。重要的是,虽然许多开创性的研究将解决和回答太阳物理学中的关键问题,但他们研究的前沿性质自然会提出更多突出的观测和/或理论问题,需要后续工作。这不仅是意料之中的事,而且应该被当作一个提醒,提醒我们现在正处在一个快速发现的时代。我们将强调这些悬而未决的问题,并建议太阳物理界在未来几年和几十年内解决这些问题的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Waves in the lower solar atmosphere: the dawn of next-generation solar telescopes

Waves and oscillations have been observed in the Sun’s atmosphere for over half a century. While such phenomena have readily been observed across the entire electromagnetic spectrum, spanning radio to gamma-ray sources, the underlying role of waves in the supply of energy to the outermost extremities of the Sun’s corona has yet to be uncovered. Of particular interest is the lower solar atmosphere, including the photosphere and chromosphere, since these regions harbor the footpoints of powerful magnetic flux bundles that are able to guide oscillatory motion upwards from the solar surface. As a result, many of the current- and next-generation ground-based and space-borne observing facilities are focusing their attention on these tenuous layers of the lower solar atmosphere in an attempt to study, at the highest spatial and temporal scales possible, the mechanisms responsible for the generation, propagation, and ultimate dissipation of energetic wave phenomena. Here, we present a two-fold review that is designed to overview both the wave analyses techniques the solar physics community currently have at their disposal, as well as highlight scientific advancements made over the last decade. Importantly, while many ground-breaking studies will address and answer key problems in solar physics, the cutting-edge nature of their investigations will naturally pose yet more outstanding observational and/or theoretical questions that require subsequent follow-up work. This is not only to be expected, but should be embraced as a reminder of the era of rapid discovery we currently find ourselves in. We will highlight these open questions and suggest ways in which the solar physics community can address these in the years and decades to come.

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来源期刊
Living Reviews in Solar Physics
Living Reviews in Solar Physics ASTRONOMY & ASTROPHYSICS-
自引率
1.40%
发文量
3
期刊介绍: Living Reviews in Solar Physics, a platinum open-access journal, publishes invited reviews covering research across all areas of solar and heliospheric physics. It distinguishes itself by maintaining a collection of high-quality reviews regularly updated by the authors. Established in 2004, it was founded by the Max Planck Institute for Solar System Research (MPS). "Living Reviews®" is a registered trademark of Springer International Publishing AG.
期刊最新文献
Machine learning in solar physics Models for the long-term variations of solar activity A history of solar activity over millennia Waves in the lower solar atmosphere: the dawn of next-generation solar telescopes Surface and interior meridional circulation in the Sun
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