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相关论文: X-ray Plasma Ejections and their association with …

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A catalogue of X-ray Plasma Ejections (XPEs) observed by the Soft X-ray Telescope onboard the YOHKOH satellite has been recently developed in the Astronomical Institute of the University of Wroc{\l}aw. The catalogue contains records of 368…

太阳与恒星天体物理 · 物理学 2015-06-03 Michal Tomczak , Ewa Chmielewska

Solar flares and X-ray plasma ejections (XPEs) occur simultaneously but usually are separated spatially. We present two exceptional events observed by {\sl Yohkoh} in 2001 October 2 (event 1) and 2000 October 16 (event 2), in which features…

太阳与恒星天体物理 · 物理学 2013-03-11 Michal Tomczak

We present the results of the first attempt of statistical research devoted to the association between X-ray Plasma Ejections (XPEs) and prominences. For this aim, we compared contents of a catalogue of XPEs, observed by the Soft X-ray…

太阳与恒星天体物理 · 物理学 2012-03-06 E. Chmielewska , M. Tomczak

We investigated the relationship between hot (~10 MK) and warm (~1 MK) plasma ejections observed in the solar corona during some flares from April 1998 to December 2001. Based on the catalog of X-ray Plasma Ejections (XPEs) observed by the…

太阳与恒星天体物理 · 物理学 2013-09-03 E. Chmielewska , M. Tomczak , T. Mrozek

Solar flares (SFs) are sudden brightening observed over the Sun surface which is associated with a large energy release. Flares with burst of Xray emission are normally followed by a mass ejection of electrons and ions from the solar…

太阳与恒星天体物理 · 物理学 2022-02-03 Kamsali Nagaraja , Praveen Kumar Basuvaraj , S. C. Chakravarty

Flares on the Sun are often associated with ejected plasma: these events are known as coronal mass ejections (CMEs). These events, although are studied in detail on the Sun, have only a few dozen known examples on other stars, mainly…

太阳与恒星天体物理 · 物理学 2024-12-25 K. Vida , B. Seli , T. Szklenár , L. Kriskovics , A. Görgei , Zs. Kővári

We study the association of solar flares with coronal mass ejections (CMEs) during the deep, extended solar minimum of 2007-2009, using extreme-ultraviolet (EUV) and white-light (coronagraph) images from the {\it Solar Terrestrial Relations…

太阳与恒星天体物理 · 物理学 2015-06-16 N. V. Nitta , M. J. Aschwanden , S. L. Freeland , J. R. Lemen , J. -P. Wülser , D. M. Zarro

In the standard model of solar eruptive events, coronal mass ejections (CMEs) and flares are associated with each other through magnetic reconnection initiated by erupting flux ropes. Observations also reveal an increasing association ratio…

太阳与恒星天体物理 · 物理学 2025-06-24 Changxue Chen , Yang Su , Wei Chen , Jingwei Li , Fu Yu , Weiqun Gan

The Soft X-ray Telescope (SXT) on board Yohkoh revealed that the ejection of X-ray emitting plasmoid is sometimes observed in a solar flare. It was found that the ejected plasmoid is strongly accelerated during a peak in the hard X-ray…

太阳与恒星天体物理 · 物理学 2013-01-29 N. Nishizuka , H. Takasaki , A. Asai , K. Shibata

Coronal mass ejection (CME) often produces a soft X-ray (SXR) flare associated with the low-coronal reconnection and a type-II radio burst associated with an interplanetary (IP) CME-shock. SXR flares and type-II bursts outshine the…

太阳与恒星天体物理 · 物理学 2024-10-02 Atul Mohan , Nat Gopalswamy , Hemapriya Raju , Sachiko Akiyama

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

Solar flares are often accompanied by filament/prominence eruptions, sometimes leading to coronal mass ejections (CMEs). By analogy, we expect that stellar flares are also associated with stellar CMEs whose properties are essential to know…

太阳与恒星天体物理 · 物理学 2022-11-11 Kosuke Namekata , Hiroyuki Maehara , Satoshi Honda , Yuta Notsu , Daisaku Nogami , Kazunari Shibata

Recent discoveries have revealed exoplanets orbiting young Sun-like stars, offering a window into the early solar system. These young stars frequently produce extreme magnetic explosions known as superflares, roughly once a day, potentially…

太阳与恒星天体物理 · 物理学 2025-10-28 Kosuke Namekata

Solar energetic particle (SEP) events are related to flares and coronal mass ejections (CMEs). This work is a new investigation of statistical relationships between SEP peak intensities - deka-MeV protons and near-relativistic electrons -…

太阳与恒星天体物理 · 物理学 2014-11-18 G. Trottet , S. Samwel , K. -L. Klein , T. Dudok de Wit , R. Miteva

Solar eruptive events, including solar flares and coronal mass ejections (CMEs), are typically characterised by energetically significant X-ray emissions from flare-accelerated electrons and hot thermal plasmas. Occulted events, where the…

太阳与恒星天体物理 · 物理学 2024-11-13 Laura A. Hayes , Säm Krucker , Hannah Collier , Daniel Ryan

We examine the two kinds of major energetic phenomena that occur in the solar atmosphere: eruptive and confined events. The former describes flares with associated coronal mass ejections (CMEs), while the latter denotes flares without…

天体物理学 · 物理学 2010-11-05 Yuming Wang , Jie Zhang

Statistical dependencies among features of coronal mass ejections (CMEs), solar flares, and sigmoidal structures in soft-X-ray images were investigated. We applied analysis methods to all the features in the same way in order to investigate…

太阳与恒星天体物理 · 物理学 2018-12-26 Y. Kawabata , Y. Iida , T. Doi , S. Akiyama , S. Yashiro , T. Shimizu

Stellar eruptive events, such as flares and coronal mass ejections (CMEs), can affect planetary habitability by disturbing the stability of their atmospheres. For instance, strong stellar flares and CMEs can trigger atmospheric escape and,…

太阳与恒星天体物理 · 物理学 2025-10-03 Nuri Park , Evgenya L. Shkolnik , Joe Llama

Coronal mass ejections (CMEs) are more energetic than any other class of solar phenomena. They arise from the rapid release of up to $10^{33}$ erg of magnetic energy mainly in the form of particle acceleration and bulk plasma motion. Their…

Solar coronal mass ejections (CMEs) have a strong association with solar flares that is not fully understood. This characteristic of our Sun's magnetic activity may also occur on other stars, but the lack of successfully detected stellar…

太阳与恒星天体物理 · 物理学 2022-08-31 Maurice L. Wilson , John C. Raymond
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