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Related papers: Plasma heating inside ICMEs by Alfvenic fluctuatio…

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Shock heating and particle acceleration processes are some of the most fundamental physical phenomena of plasma physics with countless applications in laboratory physics, space physics, and astrophysics. This study is motivated by previous…

Astrophysics · Physics 2011-02-11 K. E. Korreck , T. H. Zurbuchen , S. T. Lepri , J. M . Raines

In the collisionless plasmas of radiatively inefficient accretion flows, heating and acceleration of ions and electrons is not well understood. Recent studies in the gyrokinetic limit revealed the importance of incorporating both the…

High Energy Astrophysical Phenomena · Physics 2023-08-11 Kaushik Satapathy , Dimitrios Psaltis , Feryal Ozel

The dynamic evolution of coronal mass ejection (CME) in interplanetary space generates highly turbulent, compressed and heated shock-sheath. This region furnishes a unique environment to study the turbulent fluctuations at the small scales…

Space Physics · Physics 2018-10-16 Anil N. Raghav , Zubair I. Shaikh

Interplanetary coronal mass ejections (ICMEs) are magnetic structures propagating from the Sun's corona to the interplanetary medium. With over 20 years of observations at the L1 libration point, ACE offers hundreds of ICMEs detected at…

Solar and Stellar Astrophysics · Physics 2020-11-11 F. Regnault , M. Janvier , P. Démoulin , F. Auchère , A. Strugarek , S. Dasso , C. Noûs

Coronal mass ejections (CMEs) are intense solar explosive eruptions, and they are frequently correlated with prominence eruptions. Previous observations show that about $70\%$ of CMEs are associated with prominence eruptions. However, there…

Space Physics · Physics 2018-08-15 Jiemin Wang , Hengqiang Feng , Guoqing Zhao

In the parts of the solar corona and solar wind that experience the fewest Coulomb collisions, the component proton, electron, and heavy ion populations are not in thermal equilibrium with one another. Observed differences in temperatures,…

Solar and Stellar Astrophysics · Physics 2015-06-05 Steven R. Cranmer , Adriaan A. van Ballegooijen

The Alfv\'en wave (AW) is the most common fluctuation present within the emitted solar wind from the Sun. Moreover, the interaction between interplanetary coronal mass ejection (ICME) and high-speed stream (HSS) has been observed on several…

Interplanetary coronal mass ejections (ICMEs) are the interplanetary manifestations of solar eruptions. The overtaken solar wind forms a sheath of compressed plasma at the front of ICMEs. Magnetic clouds (MCs) are a subset of ICMEs with…

Solar and Stellar Astrophysics · Physics 2016-08-10 J. J. Masías-Meza , S. Dasso , P. Démoulin , L. Rodriguez , M. Janvier

This paper studies ICMEs detected by both Voyager spacecraft during propagation from 1 to 10 AU, with observations from 1977 to 1980. ICMEs are detected by using several signatures in the in-situ data, the primary one being the low measured…

Space Physics · Physics 2022-08-17 Skralan Hosteaux , Luciano Rodiguez , Stefaan Poedts

As solar coronal mass ejections (CMEs) propagate through the heliosphere, they expend energy in heating protons to compensate for the cooling that occurs due to expansion. CME propagation models usually treat energy dissipation implicitly…

Solar and Stellar Astrophysics · Physics 2025-05-20 Debesh Bhattacharjee , Prasad Subramanian , Saikat majumder , Wageesh Mishra

We investigated a set of 54 interplanetary coronal mass ejection (ICME) events whose solar sources are very close to the disk center (within 15 degrees from the central meridian). The ICMEs consisted of 23 magnetic cloud (MC) events and 31…

Solar and Stellar Astrophysics · Physics 2015-06-12 N. Gopalswamy , P. MÄkelÄ , S. Akiyama , H. Xie , S. Yashiro , A. A. Reinard

We investigate the local proton energization at magnetic discontinuities/intermittent structures and the corresponding kinetic signatures in velocity phase space in Alfv\'enic and non-Alfv\'enic wind streams observed by Parker Solar Probe.…

Plasma Physics · Physics 2023-09-15 C. A. Gonzalez , J. L. Verniero , R. Bandyopadhyay , A. Tenerani

The propagation of Interplanetary Coronal Mass Ejections (ICMEs) in the heliosphere is influenced by many physical phenomena, related to the internal structure of the ICME and its interaction with the ambient solar wind and magnetic field.…

Solar and Stellar Astrophysics · Physics 2023-06-28 Barbara Perri , Brigitte Schmieder , Pascal Démoulin , Stefaan Poedts , Florian Regnault

In situ measurements of ion charge states can provide unique insight into the heating and evolution of coronal mass ejections when tested against realistic non-equilibrium ionization modeling. In this work we investigate the representation…

Solar and Stellar Astrophysics · Physics 2011-04-20 Cara E. Rakowski , J. Martin Laming , Maxim Lyutikov

Plasma ions heating (especially minor heavy ions preferential heating) in fast solar wind and solar corona is an open question in space physics. However, Alfv\'en waves have been always considered as a candidate of energy source for corona…

Plasma Physics · Physics 2021-08-17 Peng He

The thermodynamic evolution of Coronal Mass Ejections (CMEs) in the inner corona (< 1.5 R$_{sun}$) is not yet completely understood. In this work, we study the evolution of thermodynamic properties of a CME core observed in the inner corona…

Solar and Stellar Astrophysics · Physics 2023-01-31 Jyoti Sheoran , Vaibhav Pant , Ritesh Patel , Dipankar Banerjee

Solar wind measurements carried out by NASA's Wind spacecraft before, during and after the passing of an interplanetary coronal mass ejection (ICME) detected on 12-14 September 2014 have been used in order to examine several properties of…

Space Physics · Physics 2023-04-19 Roque Márquez Rodríguez , Luca Sorriso-Valvo , Emiliya Yordanova

In the solar atmosphere, the chromospheric and coronal plasmas are much hotter than the visible photosphere. The heating of the solar atmosphere, including the partially ionized chromosphere and corona, remains largely unknown. In this…

Plasma Physics · Physics 2011-03-18 Chuanfei Dong , Carol S. Paty

The SWICS instrument aboard the ACE satellite has detected frequent intervals in the slow solar wind and interplanetary coronal mass ejections (ICMEs) in which C6+ and other fully stripped ions are strongly depleted, though the ionization…

Solar and Stellar Astrophysics · Physics 2022-09-21 John C. Raymond , M. Asgari-Targhi , Maurice L. Wilson , Yeimy J. Rivera , Susan T Lepri , Chengcai Shen

We perform a time-dependent ionization analysis to constrain plasma heating requirements during a fast partial halo coronal mass ejection (CME) observed on 2000 June 28 by the Ultraviolet Coronagraph Spectrometer (UVCS) aboard the Solar and…

Solar and Stellar Astrophysics · Physics 2011-06-21 N. A. Murphy , J. C. Raymond , K. E. Korreck