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Related papers: Small Interplanetary Magnetic Flux Rope

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Small-scale interplanetary magnetic flux ropes (SMFRs) are similar to ICMEs in magnetic structure, but are smaller and do not exhibit ICME plasma signatures. We present a computationally efficient and GPU-powered version of the…

The origin of small-scale interplanetary magnetic flux-ropes (SIMFRs) and the relationship between SIMFRs and magnetic clouds (MCs) are still controversial. In this study, two populations of SMIFRs were collected, i.e., SIMFRs originating…

Solar and Stellar Astrophysics · Physics 2020-08-26 Jin Huang , Yu Liu , Jihong Liu , Yuandeng Shen

We have developed a new automated small-scale magnetic flux rope (SSMFR) detection algorithm based on the Grad-Shafranov (GS) reconstruction technique. We have applied this detection algorithm to the Wind spacecraft in-situ measurements…

Solar and Stellar Astrophysics · Physics 2018-11-28 Qiang Hu , Jinlei Zheng , Yu Chen , Jakobus le Roux , Lulu Zhao

Magnetic flux ropes (MFRs) are one kind of fundamental structures in the solar physics, and involved in various eruption phenomena. Twist, characterizing how the magnetic field lines wind around a main axis, is an intrinsic property of…

Solar and Stellar Astrophysics · Physics 2017-02-01 Yuming Wang , Bin Zhuang , Qiang Hu , Rui Liu , Chenglong Shen , Yutian Chi

Small-scale magnetic flux ropes (SFRs) are a type of structures in the solar wind that possess helical magnetic field lines. In a recent report (Chen & Hu 2020), we presented the radial variations of the properties of SFR from 0.29 to 8 au…

Two populations of twisted magnetic field tubes, or flux ropes (hereafter, FRs), are detected by in situ measurements in the solar wind. While small FRs are crossed by the observing spacecraft within few hours, with a radius typically less…

Solar and Stellar Astrophysics · Physics 2015-06-22 M. Janvier , P. Demoulin , S. Dasso

The origination and generation mechanisms of small magnetic flux ropes (SFRs), which are important structures in solar wind, are not clearly known. In present study, 1993 SFRs immersed in coronal holes, active regions, and quiet Sun solar…

Solar and Stellar Astrophysics · Physics 2023-06-28 Changhao Zhai , Hui Fu , Jiachen Si , Zhenghua Huang , Lidong Xia

Previous studies indicate that interplanetary small magnetic flux ropes (SMFRs) are manifestations of microflare-associated small coronal mass ejections (CMEs), and the hot material with high charge states heated by related microflares are…

Space Physics · Physics 2019-05-15 J. M. Wang , H. Q. Feng , H. B. Li , A. K. Zhao , Z. J. Tian , G. Q. Zhao , Y. Zhao , Q. Liu

Interplanetary magnetic flux ropes (MFRs) are commonly observed structures in the solar wind, categorized as magnetic clouds (MCs) and small-scale MFRs (SMFRs) depending on whether they are associated with coronal mass ejections. We apply…

Sheath regions of interplanetary coronal mass ejections (ICMEs) are formed when the upstream solar wind is deflected and compressed due to the propagation and expansion of the ICME. Small-scale flux ropes found in the solar wind can thus be…

Space Physics · Physics 2022-09-09 J. Ruohotie , E. K. J. Kilpua , S. W. Good , M. Ala-Lahti

We have studied three Interplanetary Coronal Mass Ejections (ICMEs) having clear signatures of magnetic cloud (MC) arrival at 1 AU and their associated solar sources during 2011 to 2013. Comparing the axial magnetic field strength (B0) of…

Solar and Stellar Astrophysics · Physics 2019-01-30 Ranadeep Sarkar , Nandita Srivastava

Detecting large-scale flux ropes (FRs) embedded in interplanetary coronal mass ejections (ICMEs) and assessing their geoeffectiveness are essential since they can drive severe space weather. At 1 au, these FRs have an average duration of 1…

Small-scale magnetic flux ropes (SFRs), in the solar wind, have been studied for decades. Statistical analysis utilizing various in situ spacecraft measurements is the main observational approach which helps investigate the generation and…

Space Physics · Physics 2020-05-13 Yu Chen , Qiang Hu

The interaction between interplanetary small-scale magnetic flux ropes and the magnetic field in the ambient solar wind is an important topic to understand- ing the evolution of magnetic structures in the heliosphere. Through a survey of…

Solar and Stellar Astrophysics · Physics 2015-05-19 Hui Tian , Shuo Yao , Qiugang Zong , Jiansen He , Yu Qi

The Parker Solar Probe (PSP) mission has revealed frequent occurrences of switchbacks (SBs) and small-scale magnetic flux ropes (SMFRs) as prominent structures within the solar wind. These mesoscale features are observed across all…

Solar and Stellar Astrophysics · Physics 2025-07-02 Kyung-Eun Choi , Oleksiy V. Agapitov , Dae-Young Lee , Forrest Mozer , Jia Huang , Lucas Colomban , Jaye L. Verniero , Nour Raouafi

Magnetic flux ropes within interplanetary coronal mass ejections are often characterized as simplistic cylindrical or toroidal tubes with field lines that twist around the cylinder or torus axis. Recent multi-point observations suggest that…

Solar and Stellar Astrophysics · Physics 2024-06-21 Andreas J. Weiss , Teresa Nieves-Chinchilla , Christian Möstl

The Parker Solar Probe (PSP) observed an interplanetary coronal mass ejection (ICME) event during its first orbit around the sun, among many other events. This event is analyzed by applying a wavelet analysis technique to obtain the reduced…

Flux ropes are twisted magnetic structures, which can be detected by in situ measurements in the solar wind. However, different properties of detected flux ropes suggest different types of flux-rope population. As such, are there different…

Solar and Stellar Astrophysics · Physics 2015-06-18 Miho Janvier , Pascal Démoulin , Sergio Dasso

Interplanetary coronal mass ejections (ICMEs) are a significant feature of the heliospheric environment and the primary cause of adverse space weather at the Earth. ICME propagation, and the evolution of ICME magnetic field structure during…

Space Physics · Physics 2019-05-20 S. W. Good , E. K. J. Kilpua , A. T. LaMoury , R. J. Forsyth , J. P. Eastwood , C. Möstl

We report small-scale magnetic flux ropes via the Parker Solar Probe in situ measurements during the first six encounters and present additional analyses to supplement our prior work in Chen et al. 2021. These flux ropes are detected by the…

Space Physics · Physics 2022-01-19 Yu Chen , Qiang Hu
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