Results 111 to 120 of about 15,246 (211)

Two Energy Release Processes for CMEs: MHD Catastrophe and Magnetic Reconnection

, 2007
It remains an open question how magnetic energy is rapidly released in the solar corona so as to create solar explosions such as solar flares and coronal mass ejections (CMEs).
Aly, Antiochos, Chen, Chen, Chen, Choe, Ding, Flyer, Forbes, Forbes, Forbes, Forbes, Hu, Isenberg, Jing, Krall, L.D. Xia, Li, Lin, Lin, Lin, Low, Low, MacQueen, Peng, Qiu, Sun, Van Tend, Van Tend, Y. Chen, Y.Q. Hu, Yan, Zhang, Zhang   +33 more
core   +1 more source

Can solar wind viscous drag account for CME deceleration?

, 2012
The forces acting on solar Coronal Mass Ejections (CMEs) in the interplanetary medium have been evaluated so far in terms of an empirical drag coefficient $C_{\rm D} \sim 1$ that quantifies the role of the aerodynamic drag experienced by a typical CME ...
Borgazzi, Andrea, Lara, Alejandro, Subramanian, Prasad   +2 more
core   +1 more source

Large-scale Coronal Dimming Foreshadowing a Solar Eruption on 2011 October 1

The Astrophysical Journal
Understanding large-scale solar eruptions requires detailed investigation of the entire system’s evolution, including the magnetic environment enveloping the source region and searches for precursor activity prior to event onset.
Chunming Zhu, C. Richard DeVore, Joel T. Dahlin, Jiong Qiu, Maria D. Kazachenko, Vadim M. Uritsky, Jackson S. Vandervelde   +6 more
doaj   +1 more source

Spatial Relationship between CMEs and Prominence Eruptions during SC 24 and SC 25

The Astrophysical Journal
During their propagation, coronal mass ejections (CMEs) and prominences sometimes display a nonradial motion. During the years after the solar minimum, the CME central position angle tended to be offset closer to the equator compared to that of the ...
Kostadinka Koleva, Nat Gopalswamy, Pooja Devi, Seiji Yashiro, Grzegorz Michalek   +4 more
doaj   +1 more source

Propagation of an Earth-directed coronal mass ejection in three dimensions

, 2010
Solar coronal mass ejections (CMEs) are the most significant drivers of adverse space weather at Earth, but the physics governing their propagation through the heliosphere is not well understood.
A Horwitz, A Horwitz, A Thernisien, B Kliem, B Vršnak, B Vršnak, B Vršnak, BE Wood, BP Filippov, C-H Lin, CA deKoning, CA Young, CJ Davis, CJ Davis, CJ Schrijver, CN Arge, D Odstrčil, DB Berdichevsky, E Chané, EKJ Kilpua, GW Pneuman, H Cremades, H Xie, H Xie, J Chen, JA González-Esparza, JP Byrne, M Banaszkiewicz, M Mierla, MJ Aschwanden, ML Kaiser, N Gopalswamy, N Gopalswamy, N Srivastava, P Démoulin, P Riley, PC Liewer, PJ Cargill, PJ Cargill, R Prangé, R Schwenn, RA Howard, RM MacQueen, S Yashiro, SA Maloney, SJ Tappin, SK Antiochos, TA Howard, TA Howard, TG Moran, V Bothmer, VJ Pizzo, XP Zhao, Y Liu   +53 more
core   +1 more source

The Structure of Solar Coronal Mass Ejections in the Extreme-ultraviolet Passbands

The Astrophysical Journal, 2019
Abstract So far, most studies on the structure of coronal mass ejections (CMEs) are conducted through white-light coronagraphs, demonstrating that about one third of CMEs exhibit the typical three-part structure in the high corona (e.g., beyond 2 ), i.e., the bright front ...
H. Q. Song, J. Zhang, L. P. Li, Y. D. Liu, B. Zhu, B. Wang, R. S. Zheng, Y. Chen   +7 more
openaire   +2 more sources

Micro-Sigmoids as Progenitors of Coronal Jets - Is Eruptive Activity Self-Similarly Multi-Scaled?

, 2010
Observations from the X-ray telescope (XRT) on Hinode are used to study the nature of X-ray bright points, sources of coronal jets. Several jet events in the coronal holes are found to erupt from small-scale, S-shaped bright regions.
Archontis, Archontis, Aschwanden, Berger, Canfield, Christe, D. M. Rust, Einaudi, Georgoulis, Karpen, M. K. Georgoulis, Moreno-Insertis, N.-E. Raouafi, P. N. Bernasconi, Pariat, Patsourakos, Raouafi, Raouafi, Rust, Rust, Rust, Rust, Savcheva, Shimojo, Strong, Titov, Vourlidas, Vourlidas, Wang, Wang   +29 more
core   +1 more source

Cospatial Multiwavelength Observations of an Eruptive Prominence as the Bright Core of a Coronal Mass Ejection

The Astrophysical Journal Letters
Coronal mass ejections (CMEs), as seen in white-light (WL) coronagraphs, often exhibit a classic three-part structure consisting of a bright front, a dark cavity, and a bright core.
Bin Zhuang, Tingyu Gou, Noé Lugaz, Manuela Temmer, Brian E. Wood, Yara De Leo, Shaheda Begum Shaik, Phillip Hess, Carlos R. Braga, Cecilia Mac Cormack, Xiaolei Li   +10 more
doaj   +1 more source

Automated detection of solar eruptions

Journal of Space Weather and Space Climate, 2015
Observation of the solar atmosphere reveals a wide range of motions, from small scale jets and spicules to global-scale coronal mass ejections (CMEs).
Hurlburt N.
doaj   +1 more source

Direct Evidence of the Hybrid Nature of Extreme-ultraviolet Waves and the Reflection of the Fast-mode Wave

The Astrophysical Journal
We performed an analysis of the extreme-ultraviolet (EUV) wave event on 2022 March 31. The event originated from active region (AR) 12975 located at N13W52 in the field of view of the Atmospheric imaging Assembly (AIA) and exactly at the west limb viewed
Ramesh Chandra, P. F. Chen, Pooja Devi
doaj   +1 more source