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SIMULTANEOUS OBSERVATION OF SOLAR OSCILLATIONS ASSOCIATED WITH CORONAL LOOPS FROM THE PHOTOSPHERE TO THE CORONA
Su, JT1; Liu Y(刘煜)2; Liu, S1; Zhang, YZ1; Zhao, H1; Xu, HQ1; Xie, WB1,3; Su, JT (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2013
卷号762期号:1
DOI10.1088/0004-637X/762/1/42
产权排序第2完成单位
收录类别SCI
关键词Sun: Activity Sun: Corona Sun: Flares Sun: Oscillations
摘要The solar oscillations along one coronal loop in AR 11504 are observed simultaneously in white light emission and Doppler velocity by SDO/HMI, and in UV and EUV emissions by SDO/AIA. The technique of the time-distance diagram is used to detect the propagating oscillations of the emission intensities along the loop. We find that although all the oscillation signals were intercorrelated, the low chromospheric oscillation correlated more closely to the oscillations of the transition region and corona than to those of the photosphere. Situated above the sunspot, the oscillation periods were similar to 3 minutes in the UV/EUV emissions; however, moving away from the sunspot and into the quiet Sun, the periods became longer, e. g., up to similar to 5 minutes or more. In addition, along another loop we observe both the high-speed outflows and oscillations, which roughly had a one-to-one corresponding relationship. This indicates that the solar periodic oscillations may modulate the magnetic reconnections between the loops of the high and low altitudes that drive the high-speed outflows along the loop.
项目资助者National Natural Science Foundation of China [11078012, 11073050, 10611120338, 10673016, 10733020, 10778723, 11003025, 11103037, 10878016, 11178016] ; National Basic Research Program of China [2011CB8114001] ; Important Directional Projects of Chinese Academy of Sciences [KLCX2-YW-T04] ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000313007900042
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]TRANSITION REGION OSCILLATIONS ; SLOW MAGNETOACOUSTIC WAVES ; INTENSITY OSCILLATIONS ; SUNSPOTS ; TRACE ; RECONNECTION ; HINODE/EIS ; EIT
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7192
专题选址与日冕观测组
通讯作者Su, JT (reprint author), Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China.
作者单位1.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Science, Beijing 100012, China
2.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
3.School of Physics, Jilin Normal University, Jilin 136000, China
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Su, JT,Liu Y,Liu, S,et al. SIMULTANEOUS OBSERVATION OF SOLAR OSCILLATIONS ASSOCIATED WITH CORONAL LOOPS FROM THE PHOTOSPHERE TO THE CORONA[J]. ASTROPHYSICAL JOURNAL,2013,762(1).
APA Su, JT.,Liu Y.,Liu, S.,Zhang, YZ.,Zhao, H.,...&Su, JT .(2013).SIMULTANEOUS OBSERVATION OF SOLAR OSCILLATIONS ASSOCIATED WITH CORONAL LOOPS FROM THE PHOTOSPHERE TO THE CORONA.ASTROPHYSICAL JOURNAL,762(1).
MLA Su, JT,et al."SIMULTANEOUS OBSERVATION OF SOLAR OSCILLATIONS ASSOCIATED WITH CORONAL LOOPS FROM THE PHOTOSPHERE TO THE CORONA".ASTROPHYSICAL JOURNAL 762.1(2013).
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