CAREER: Probing Stressed Magnetic Fields in Solar Active Regions
CAREER: Probing Stressed Magnetic Fields in Solar Active Regions
批准号:
1848250
负责人:
Xudong Sun
金额:
$62.06万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2019
资助国家:
美国
项目状态:
未结题
起止时间:
2019-03-01 至 2025-02-28
中文摘要
这个为期五年的CAREER项目解决了太阳物理学的一个基本问题,即活动区域(ARs)磁场在产生太阳耀斑和日冕物质抛射中的作用。该项目的研究议程利用目前可用的最先进的工具来解决太阳物理学中几个长期存在的问题。该项目的建模和观测组成部分都处于该领域的前沿,有望在未来五年甚至更长时间内取得令人兴奋的新成果。研究日程也很及时,因为该项目将利用将于2020年夏天投入使用的丹尼尔·井上太阳望远镜(DKIST)的数据。夏威夷天文研究所(IfA)在太阳物理学研究和教育方面有着悠久的传统。这个CAREER项目将以DKIST为契机,促进下一代太阳物理学家的成长。该项目将使多个研究助理和设计一个新的研究生水平的课程在IfA。此外,PI将积极参与各种公共宣传活动,包括夏威夷学生/教师天文学研究(HI STAR)计划和美国国家科学基金会本科生研究经验(REU)计划。PI还将在夏威夷州举办关于太空天气的公开讲座。该CAREER项目的研究和EPO议程支持AGS部门在发现、学习、多样性和跨学科研究方面的战略目标。这个为期五年的CAREER项目旨在探索太阳ARs的动态特性,它拥有强大的应力磁场。储存在这些磁场中的能量可以被爆炸性地释放出来,为太阳耀斑和日冕物质抛射提供能量,在地球和日球层的其他地方造成强烈的空间天气干扰。该项目的研究目标有两个:(i)建立一个新的数据驱动的、时间依赖的太阳ARs三维模型,即日冕全球演化模型(CGEM);(ii)利用当前(太阳动力观测台(SDO)上的日震和磁成像仪(HMI))和未来(DKIST)的太阳观测来约束模型。在项目期间,将使用SDO的HMI数据和CGEM结果来估计关键的AR特性。DKIST的数据将用于解析ar精细场的相关贡献。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
英文摘要
This five-year CAREER project addresses a fundamental question for solar physics, namely the role of magnetic fields of active regions (ARs) in producing solar flares and coronal mass ejections. The research agenda of this project utilizes the most advanced tools currently available to attack several long-standing problems in solar physics. Both the modeling and the observational components of the project are at the forefront of the field, promising exciting new results within the next five years and beyond. The research agenda is also timely since the project will utilize data from the Daniel K. Inouye Solar Telescope (DKIST), which will become operational in the Summer of 2020.The Institute for Astronomy (IfA) in Hawai'i has a long-standing tradition in solar physics research and education. This CAREER project will use the DKIST as an opportunity to foster the growth of the next generation solar physicists. The project will enable multiple research assistantships and the design of a new graduate-level course at the IfA. Furthermore, the PI will be actively engaged in various public outreach activities, including the Hawai'i Student / Teacher Astronomy Research (HI STAR) program and the NSF's Research Experience for Undergrads (REU) program. The PI will also give public lectures on Space Weather in the State of Hawai'i. The research and EPO agenda of this CAREER project supports the Strategic Goals of the AGS Division in discovery, learning, diversity, and interdisciplinary research.This five-year CAREER project is aimed at exploring the dynamic properties of solar ARs, which harbor strong, stressed magnetic fields. The energy stored in these fields can be released explosively to power solar flares and coronal mass ejections, causing strong space weather disturbances at the Earth and elsewhere in the heliosphere. The research goal of this project is two-fold: (i) benchmark a new data-driven, time-dependent, three-dimensional (3-D) model of solar ARs, namely the Coronal Global Evolutionary Model (CGEM); and, (ii) constrain the model using present (Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamic Observatory (SDO)) and future (DKIST) solar observations. During the project, key AR characteristics will be estimated using the SDO's HMI data and the CGEM results. The DKIST data will be used to resolve the relevant contributions of the fine-scale fields of ARs.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
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DOI:
10.1051/0004-6361/201935870
发表时间:
2019-07
期刊:
Astronomy & Astrophysics
影响因子:
6.5
作者:
[K. Moraitis;X. Sun;E. Pariat;L. Linan]
通讯作者:
K. Moraitis;X. Sun;E. Pariat;L. Linan
The Dependence of Solar Flare Magnitude on sunspot Area During Activity Cycle 24
活动周期期间太阳耀斑强度对太阳黑子面积的依赖性 24
DOI:
10.3847/2515-5172/ac573b
发表时间:
2022
期刊:
Research Notes of the AAS
影响因子:
--
作者:
[Will, Lucy, Avallone, Ellis A., Sun 孙, Xudong 旭东]
通讯作者:
Sun 孙, Xudong 旭东
DOI:
10.3847/1538-4357/ace907
发表时间:
2023-07
期刊:
The Astrophysical Journal
影响因子:
--
作者:
[J. Liu 刘;X. Sun 孙;P. Schuck;S. Jaeggli;B. Welsch;C. Noda]
通讯作者:
J. Liu 刘;X. Sun 孙;P. Schuck;S. Jaeggli;B. Welsch;C. Noda
Emerging Dimming as Coronal Heating Episodes
日冕加热过程中出现的变暗现象
DOI:
10.3847/1538-4357/abee8d
发表时间:
2021
期刊:
The Astrophysical Journal
影响因子:
--
作者:
[Payne, Anna V., Sun, Xudong]
通讯作者:
Sun, Xudong
DOI:
10.3847/1538-4357/ad077d
发表时间:
2023-12
期刊:
The Astrophysical Journal
影响因子:
--
作者:
[Kai E. 凯 Yang 杨;X. Sun 孙;Graham S. Kerr;Hugh S. Hudson]
通讯作者:
Kai E. 凯 Yang 杨;X. Sun 孙;Graham S. Kerr;Hugh S. Hudson
共 11 条
Critical Early DKIST Science: Spectropolarimetric Inversion in Four Dimensions with Deep Learning
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批准号:2008344
-
项目类别:Standard Grant
-
资助金额:$66.89万
-
财政年份:2020
-
负责人:Xudong Sun
-
依托单位:
Collaborative Research: PREEVENTS Track 2: Quantifying the Risk of Extreme Solar Eruptions (Quest)
-
批准号:1854760
-
项目类别:Continuing Grant
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资助金额:$30.43万
-
财政年份:2019
-
负责人:Xudong Sun
-
依托单位:
国内基金
海外基金
Probing matter-antimatter asymmetry with the muon electric dipole moment
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批准号:--
-
项目类别:--
-
资助金额:30万元
-
批准年份:2020
-
负责人:Kim Siang Khaw
-
依托单位:
Probing quark gluon plasma by heavy quarks in heavy-ion collisions
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批准号:11805087
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项目类别:青年科学基金项目
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资助金额:30.0万元
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批准年份:2018
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负责人:Santosh Kumar
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依托单位: