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In this paper, we study the formation and early evolution of a limb coronal mass ejection (CME) and its associated shock wave that occurred on 2014 January 8. The extreme ultraviolet (EUV) images provided by the Atmospheric Imaging Assembly…

太阳与恒星天体物理 · 物理学 2016-08-17 Linfeng Wan , Xin Cheng , Tong Shi , Wei Su , M. D. Ding

We present an analysis of the fast coronal mass ejection (CME) of 2012 March 7, which was imaged by both STEREO spacecraft and observed in situ by MESSENGER, Venus Express, Wind and Mars Express. Based on detected arrivals at four different…

太阳与恒星天体物理 · 物理学 2014-07-18 T. Rollett , C. Moestl , M. Temmer , R. A. Frahm , J. A. Davies , A. M. Veronig , B. Vrsnak , U. V. Amerstorfer , C. J. Farrugia , T. Zic , T. L. Zhang

Coronal mass ejections (CMEs) are violent ejections of magnetized plasma from the Sun, which can trigger geomagnetic storms, endanger satellite operations and destroy electrical infrastructures on the Earth. After systematically searching…

太阳与恒星天体物理 · 物理学 2023-08-09 Hong-peng Lu , Hui Tian , He-chao Chen , Yu Xu , Zhen-yong Hou , Xian-yong Bai , Guang-yu Tan , Zi-hao Yang , Jie Ren

It is generally accepted that extreme space weather events tend to be related to strong flares and fast halo coronal mass ejections CMEs. In the present paper, we carefully identify the chain of events from the Sun to the Earth induced by…

太阳与恒星天体物理 · 物理学 2020-04-09 B. Schmieder , R. S. Kim , B. Grison , K. Bocchialini , R. Y. Kwon , S. Poedts , P. Démoulin

We report on the properties of type II radio bursts observed by the Radio and Plasma Wave Experiment (WAVES) on board the Wind spacecraft over the past two solar cycles. We confirm that the associated coronal mass ejections (CMEs) are fast…

太阳与恒星天体物理 · 物理学 2018-10-29 N. Gopalswamy , P. Mäkelä

Propagation of coronal mass ejections (CMEs) from the Sun far into interplanetary space is not well understood due to limited observations. In this study we examine the propagation characteristics of two geo-effective CMEs, which occurred…

太阳与恒星天体物理 · 物理学 2017-03-08 Xiaowei Zhao , Ying D. Liu , Huidong Hu , Rui Wang

Solar Coronal mass ejections (CMEs) are large-scale ejections of plasma and magnetic field from the corona, which propagate through interplanetary space. CMEs are the most significant drivers of adverse space weather on Earth, but the…

太阳与恒星天体物理 · 物理学 2012-10-22 Shane Maloney

Context: Solar eruptions, such as coronal mass ejections (CMEs), are often accompanied by accelerated electrons that can in turn emit radiation at radio wavelengths. This radiation is observed as solar radio bursts. The main types of bursts…

太阳与恒星天体物理 · 物理学 2021-03-31 D. E. Morosan , A. Kumari , E. K. J. Kilpua , A. Hamini

We analyse the characteristics of interplanetary coronal mass ejections (ICMEs) during Solar Cycles 23 and 24. The present analysis is primarily based on the near-Earth ICME catalogue (Richardson and Cane, 2010). An important aspect of this…

太阳与恒星天体物理 · 物理学 2022-10-27 Binal D. Patel , Bhuwan Joshi , Kyung-Suk Cho , Rok-Soon Kim , Yong-Jae Moon

We present an overview of the observed properties of the GLEs and those of the associated flares and CMEs. The solar eruptions are very intense involving X-class flares and extreme CME speeds (average ~2000 km/s). The active regions in…

太阳与恒星天体物理 · 物理学 2015-06-05 N. Gopalswamy , H. Xie , S. Yashiro , S. Akiyama , P. Mäkelä , I. G. Usoskin

Fast coronal mass ejections (CMEs) generate standing or bow shocks as they propagate through the corona and solar wind. Although CME shocks have previously been detected indirectly via their emission at radio frequencies, direct imaging has…

太阳与恒星天体物理 · 物理学 2015-05-28 Shane A. Maloney , Peter T. Gallagher

This paper aims to track the 3D evolution of a full halo CME on 2011 June 21. The CME results from a non-radial eruption of a filament-carrying flux rope in NOAA active region 11236. The eruption is observed in EUV wavelengths by the EUVI…

太阳与恒星天体物理 · 物理学 2022-05-04 Q. M. Zhang

We present SDO/AIA observation of three types of fast-mode propagating magnetosonic waves in a GOES C3.0 flare on 2013 April 23, which was accompanied by a prominence eruption and a broad coronal mass ejection (CME). During the fast rising…

太阳与恒星天体物理 · 物理学 2021-11-24 Xinping Zhou , Yuandeng Shen , Jiangtao Su , Zehao Tang , Chengrui Zhou , Yadan Duan , Song Tan

The coronal blowout jet is a peculiar category among various jet phenomena, of which the sheared base arch, often carrying a small filament, experiences a miniature version of blowout eruption that produces large-scale coronal mass ejection…

太阳与恒星天体物理 · 物理学 2015-05-30 Yuandeng Shen , Yu Liu , Jiangtao Su , Yuanyong Deng

We report on the close similarity of coronal mass ejection (CME) properties in ground level enhancement (GLE) in solar energetic particle (SEP) events and sustained gamma ray emission (SGRE) from the Sun as indicated by low frequency type…

太阳与恒星天体物理 · 物理学 2023-08-24 Nat Gopalswamy , Anshu Kumari , Pertti A. Mäkelä

Context. Some of the most prominent sources for particle acceleration in our Solar System are large eruptions of magnetised plasma from the Sun called coronal mass ejections (CMEs). These accelerated particles can generate radio emission…

太阳与恒星天体物理 · 物理学 2020-03-11 D. E. Morosan , E. Palmerio , J. Pomoell , R. Vainio , M. Palmroth , E. K. J. Kilpua

We present the results of a detailed analysis of multi-wavelength observations of a very impulsive solar flare 1B/M6.7, which occurred on 10 March, 2001 in NOAA AR 9368 (N27 W42). The observations show that the flare is very impulsive with…

天体物理学 · 物理学 2009-11-10 Wahab Uddin , Rajmal Jain , Keiji Yoshimura , Ramesh Chandra , T. Sakao , T. Kosugi , Anita Joshi , M. R. Despande

We report on the spatial relationship between solar flares and coronal mass ejections (CMEs) observed during 1996-2005 inclusive. We identified 496 flare-CME pairs considering limb flares (distance from central meridian > 45 deg) with soft…

天体物理学 · 物理学 2009-11-13 S. Yashiro , G. Michalek , S. Akiyama , N. Gopalswamy , R. A. Howard

We report observations of homologous coronal jets and their coronal mass ejections (CMEs) observed by instruments onboard the Solar Dynamics Observatory (SDO) and Solar and Heliospheric Observatory (SOHO) spacecraft. The homologous jets…

太阳与恒星天体物理 · 物理学 2016-05-25 Navdeep K. Panesar , Alphonse C. Sterling , Ronald L. Moore

We present the results of observations of complex powerful type II burst associated with narrow Earth-directed CME, which was ejected at around 11 UT on 31 May 2013. The observations were performed by radio telescope UTR-2, which operated…

太阳与恒星天体物理 · 物理学 2023-08-02 V. V. Dorovskyy , V. N. Melnik , A. A. Konovalenko , A. I. Brazhenko , H. O. Rucker