REVIEW 3 major objections 5 minor 93 references
From Photospheric Footpoint Motion to Plasmoid Ejection: A Two-Stage Reconnection Process in a Small-scale Chromospheric Jet
T0 review · 3 major / 5 minor · reviewed 2026-08-06 · deepseek-v4-flash
Pith's one-line read A single moving magnetic footpoint controls whether a solar jet stays cool and mild or becomes hot and plasmoid-driven, according to observations of a two-stage reconnection event.
desk verdict Good single-event synthesis of footpoint-driven two-stage reconnection, but the plasmoid-trigger claim depends on a current-sheet width that is never measured. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The load-bearing object is the elongated sheet-like H-alpha structure interpreted as the reconnection current sheet, whose aspect ratio (width-to-length, $w/L$) is the control parameter. The mechanism runs through the tearing-mode instability: as the footpoint N1 converges toward P1, the sheet lengthens, $w/L$ decreases below the critical threshold of about 0.1 (taken from earlier work), and the sheet fragments into a plasmoid. The plasmoid then mediates the transition to fast reconnection, while a secondary, unresolved current sheet between the plasmoid and the overlying cusp provides the extra heating that explains the hot blob. The time-distance diagrams of the H-alpha sheet and of the photospheric magnetic patches are the measurements that carry the sequence.
What would settle it
A time-resolved measurement of the width of the bright H-alpha sheet during the elongation phase would settle the central claim: if the width grows in step with the length so that $w/L$ never falls below about 0.1, the tearing-mode trigger is not established. A second check is whether footpoint convergence always precedes current-sheet elongation and plasmoid formation in other events; a high-cadence magnetogram series showing elongation starting during the separating phase would contradict the proposed two-stage control.
Extended reading notes
Core claim
The central discovery is a complete observational chain in a quiet-Sun reconnection jet on 24 November 2020: photospheric footpoint motion leads to current-sheet evolution, then plasmoid formation, then fast reconnection, then a hot jet. The paper identifies a negative magnetic fragment N1 whose motion relative to the stationary positive polarity P1 splits the event into two stages. In the first stage N1 separates, the reconnection region stays short and faint, and the ejected material is cool enough to appear only in H-$\alpha$. In the second stage N1 converges at about 3.5 km/s, the H-$\alpha$ sheet-like structure rapidly extends by about 6 Mm, a roughly $1''\times1''$ plasmoid appears near its middle and moves upward at about 6.6 km/s, and simultaneously a hot EUV jet appears with magnetic flux cancellation at a rate of about $10^{15}$ Mx/s. The authors read the cancellation as submergence of newly formed post-reconnection loops and estimate a lower bound of about $10^{26}$ erg released at about $10^{23}$ erg/s. They also find a plasma blob in the jet spire with temperature near $10^{6.5}$ K, hotter than its surroundings, and attribute it to a secondary reconnection between the rising plasmoid and the overlying cusp through a current sheet too small to be resolved.
Load-bearing premise
The argument assumes the elongated bright H-alpha structure is a reconnection current sheet whose width stays roughly fixed while it lengthens, so that its width-to-length ratio falls below the threshold for the tearing instability, but the sheet's width is never directly measured.
Editorial extensions
If this is right
- The observed sequence predicts that in similar small-scale jets, the appearance of a hot EUV jet and a plasmoid should follow the onset of footpoint convergence, not simply the presence of flux.
- The flux cancellation rate of about $10^{15}$ Mx/s yields a lower-bound energy release of roughly $10^{23}$ erg/s, enough to offset chromospheric radiative losses over about 1 Mm$^2$ if the interpretation is right.
- The same two-stage pattern may help future observations distinguish whether a cool jet is a pre-reconnection phase of the same driver or a separate event.
- A plasmoid's propagation speed in chromospheric reconnection need not approach the local Alfvén speed; here the measured speed is about 6.6 km/s, much slower than in other events, so speed alone is not a reliable indicator of reconnection rate.
Reading between the lines
- Because the paper measures length but never width of the current sheet, an extension would be to track the sheet's width in high-resolution H-alpha or EUV data; if width grows with length, the aspect-ratio story would need revision.
- The same footpoint-reversal sequence might be searched for in larger coronal jets: if convergence is the universal switch, events without a converging footpoint phase should lack plasmoids and hot EUV components.
- The double-heating interpretation predicts a measurable delay between plasmoid disappearance in the sheet and the blob's appearance in the spire; the paper reports this correlation for one event, so a statistical sample of similar blob events could test it.
- The total canceled flux implies a submergence signature in the photosphere; time-sequenced vector magnetograms with higher cadence could check whether the submerging loops actually appear as converging horizontal fields.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper uses co-aligned NVST Hα, SDO/AIA EUV, and SDO/HMI photospheric magnetogram observations of a small-scale chromospheric jet on 2020 November 24 to argue that photospheric footpoint motions control a two-stage magnetic reconnection process. It claims that an initial separating motion of opposite-polarity footpoints drives a mild reconnection phase producing a short current sheet and a cool Hα jet, while a subsequent converging motion elongates the current sheet, lowers its width-to-length aspect ratio, and triggers a tearing-mode instability that forms a plasmoid. The plasmoid is then argued to mediate fast reconnection, producing a hot EUV jet and concurrent magnetic flux cancellation interpreted as submergence of newly formed loops. A hot plasma blob in the jet spire is attributed to secondary reconnection between the upward-propagating plasmoid and an overlying magnetic cusp. The paper presents time-distance diagrams, DEM analysis, and a schematic cartoon to support this scenario.
Significance. If the interpretation holds, the paper offers a rare, observationally driven link between photospheric footpoint dynamics, current-sheet evolution, plasmoid-mediated reconnection, and the heating of chromospheric jets. The strength of the work lies in the multi-wavelength, high-cadence dataset, the clear temporal correlations among footpoint motion, sheet extension, plasmoid appearance, EUV jet onset, and flux cancellation, and the quantitative DEM diagnosis of the hot blob. The paper also provides an energy-release estimate and an explicit physical model. However, the central tearing-mode trigger rests on an unmeasured current-sheet width and an adopted threshold that is not re-derived for the chromosphere, and the claimed confirmation of a model prediction is a post-hoc consistency check on the same data. These issues currently limit the work to a suggestive, rather than fully demonstrated, causal chain.
major comments (3)
- [Section 3 (Figs. 2 and 3) and Section 4] The central tearing-mode trigger is not secured because the current sheet width is never measured. The time-distance map in Fig. 3c quantifies only the length extension (~6 Mm), while Fig. 2 shows the sheet-like structure without any transverse width measurement. The claim in Section 4 and Fig. 5 that 'the current sheet's width-to-length ratio decreased significantly' and crossed the ~0.1 threshold of Vrsnak et al. (2003) is therefore inferred from length alone. If the width also increased during elongation, the aspect ratio need not cross the threshold. Moreover, the threshold is adopted without re-derivation for a partially ionized, low-beta chromospheric plasma, and no Lundquist number of the sheet is estimated, so the sheet is not shown to be in the plasmoid-unstable regime. Please either provide a width/Lundquist-number estimate (even order of magnitude) or explicitly reframe the tearing-mode trigger as a plausible but unverified scenario.
- [Section 4, last paragraph] The claim that a key prediction of the model is confirmed is post-hoc and circular. The model was constructed from the same observations, and the 'prediction' that the hot blob in the spire appears after the plasmoid disappears is checked by re-examining Figure 1 and the same video used to define the event. This is a consistency check, not an independent prediction. Please present it as such, or test the sequence on an independent event or a forward simulation.
- [Section 4 and Fig. 5] The secondary current sheet between the plasmoid and the overlying cusp, invoked to explain the hot blob, is not directly observed (the Fig. 5 caption acknowledges that the cartoon includes features not directly detected). The two-component temperature decomposition ('main component' plus 'secondary component') is an ad hoc model, and other mechanisms (e.g., adiabatic compression, heat conduction, or heating in the main current sheet) could also account for a hotter blob. The abstract and conclusions should state more clearly that the secondary-reconnection heating is a speculative inference, not an observational result.
minor comments (5)
- [Section 2] The LOS depth H is assumed to be ~3 Mm and the filling factor is set to unity; the resulting densities in Fig. 4 should be presented as order-of-magnitude estimates, with the uncertainty from these assumptions stated.
- [Section 3, Fig. 3c] The phase-shift time is marked at ~06:10 UT, while the text places the second phase at 06:12–06:15 UT; please make the definition of the phases and the vertical dotted line consistent.
- [Section 4] The energy estimate E=(BΦL)/(8π) relies on B≈50 G estimated from the photosphere and a current-sheet length L≈6''; please clarify that this is a rough lower limit and state the assumed geometry (e.g., one sheet, no projection corrections).
- [Section 3] The Hα data are described as affected by unsteady seeing during pre- and post-reconnection stages; since the width of the current sheet is a key quantity, please state how the seeing might affect spatial measurements of the sheet in Fig. 2.
- [Section 3] The blob is seen moving along the sheet in Hα but not along the spire in Hα; a sentence explaining why the same blob is only visible in EUV in the spire would help the reader.
Circularity Check
One post-hoc 'prediction' is confirmed by re-examining the same dataset; the central footpoint-motion chain is otherwise observationally independent.
-
other
[Section 4, paragraph on the secondary heating mechanism for the hot plasma blob]
"A key prediction of this model is that the appearance of the hot blob in the spire should follow the disappearance of the plasmoid in the main current sheet. Upon re-examining Figure 1 and the accompanying online video, we confirm a clear temporal correlation between these two events. This finding provides compelling support for our physical interpretation."
The model was built from the same observations used to test it: the upward-propagating plasmoid and the later hot blob in the spire were both identified earlier in Section 3 from Figure 1 and Figure 2, and the secondary-heating interpretation was proposed to explain that very sequence. The 'key prediction' merely restates the already-observed temporal ordering, and it is then 'confirmed' by re-examining the same Figure 1 and video. This is a post-hoc consistency check, not an independent prediction; no holdout data, new observable, or parameter-free consequence is tested.
full rationale
The paper's main causal narrative (separating footpoint motion -> mild reconnection/cool jet, converging footpoint motion -> sheet elongation -> plasmoid -> hot EUV jet) is built from independently measured time series: HMI footpoint motion, NVST H-alpha length extension, AIA EUV jet appearance, and flux cancellation. The tearing-mode trigger relies on an inferred aspect-ratio decrease and an externally cited threshold (Vrsnak et al. 2003), which is an unverified physical assumption rather than a circular step. The one genuine circular element is the 'key prediction' in Section 4: the secondary-heating model for the hot blob is inferred from the observed plasmoid-to-blob sequence, and then that same sequence is re-examined and presented as confirming support. The paper itself acknowledges that the secondary current sheet is not directly resolved and that the cartoon includes features not directly observed, which is an honest limitation but does not remove the post-hoc character of the confirmation. Because this circularity is confined to a supporting interpretation while the primary two-stage footpoint-motion claim has substantial independent observational content, a score of 6 reflects partial, rather than total, circularity.
Assumptions & free parameters
free parameters (4)
- magnetic field strength B =
~50 G estimated from photospheric magnetograms
- line-of-sight depth H =
~3 Mm assumed
- current sheet length L =
~6 arcsec measured from NVST images
- filling factor =
1
assumptions (5)
- domain assumption The bright elongated H-alpha structure is a magnetic reconnection current sheet.
- domain assumption A decrease in the current sheet's aspect ratio below a critical threshold of about 0.1 triggers the tearing-mode instability.
- ad hoc to paper The observed magnetic flux cancellation is caused by submergence of newly formed post-reconnection loops.
- ad hoc to paper The hot blob in the jet spire is heated by reconnection between the rising plasmoid and the overlying magnetic cusp through a secondary current sheet.
- standard math Standard MHD and reconnection theory, including magnetic tension and Alfven speed scaling, applies in the chromospheric environment.
invented entities (2)
-
Secondary current sheet between the plasmoid and the overlying cusp
-
Post-reconnection closed loops undergoing submergence
Cite this review
Pith. "Pith review of From Photospheric Footpoint Motion to Plasmoid Ejection: A Two-Stage Reconnection Process in a Small-scale Chromospheric Jet." pith.science (2026). https://pith.science/paper/IJWACJF2
@misc{pith2026250701896,
author = {Pith},
title = {Pith review of: From Photospheric Footpoint Motion to Plasmoid Ejection: A Two-Stage Reconnection Process in a Small-scale Chromospheric Jet},
year = {2026},
howpublished = {\url{https://pith.science/paper/IJWACJF2}},
note = {Machine review of arXiv:2507.01896}
}
abstract
Using high spatiotemporal resolution, multi-wavelength observations from the New Vacuum Solar Telescope (NVST) and the Solar Dynamics Observatory (SDO), we present a detailed analysis of a small-scale chromospheric jet driven by plasmoid-mediated magnetic reconnection. Our results reveal that the entire process is governed by the dynamic evolution of photospheric magnetic footpoints, which proceeds in two distinct stages. An initial separating motion of the footpoints corresponds to a mild reconnection phase, characterized by a short current sheet and the eruption of a cool H$\alpha$ jet. Subsequently, a converging motion of the footpoints triggers an intense reconnection phase. During this intense stage, the current sheet rapidly elongates, and the resulting decrease in its aspect ratio initiates a tearing-mode instability, forming a plasmoid. The appearance of this plasmoid mediates the onset of fast magnetic reconnection, which produces a hot EUV jet and is concurrent with significant magnetic flux cancellation. We interpret this cancellation as the submergence of newly formed, post-reconnection loops. Furthermore, we identify a distinct, high-temperature plasma blob in the jet spire, significantly hotter than the surrounding jet plasma. We attribute this feature to a secondary heating process, likely caused by reconnection between the upward-propagating plasmoid and the overlying magnetic cusp structure. These observations provide a comprehensive, observationally driven picture (from the initial photospheric triggers to the multi-stage, plasmoid-mediated reconnection) that forms chromospheric jets, highlighting the critical role of footpoint motions in solar atmospheric dynamics.
Figures
Figures from the paper (3 more)
Reference graph
Works this paper leans on
-
[1]
Antolin, P., Pagano, P., Testa, P., Petralia, A., & Reale, F. 2021, Reconnection nanojets in the solar corona, Nature Astronomy, 5, 54, doi: 10.1038/s41550-020-1199-8
-
[2]
Bahauddin, S. M., Bradshaw, S. J., & Winebarger, A. R. 2021, The origin of reconnection-mediated transient brightenings in the solar transition region, Nature Astronomy, 5, 237, doi: 10.1038/s41550-020-01263-2 B´arta, M., Vrˇsnak, B., & Karlick´y, M. 2008, Dynamics of plasmoids formed by the current sheet tearing, A&A, 477, 649, doi: 10.1051/0004-6361:20078266
-
[3]
Bhattacharjee, A., Huang, Y .-M., Yang, H., & Rogers, B. 2009, Fast reconnection in high-Lundquist-number plasmas due to the plasmoid Instability, Physics of Plasmas, 16, 112102, doi: 10.1063/1.3264103
-
[4]
Bi, Y ., Yang, J.-Y ., Qin, Y ., et al. 2023, Morphological evidence for nanoflares heating warm loops in the solar corona, A&A, 679, A9, doi: 10.1051/0004-6361/202346944
-
[5]
Chen, H., Yang, J., Hong, J., Li, H., & Duan, Y . 2021, Direct Observation of a Large-scale CME Flux Rope Event Arising from an Unwinding Coronal Jet, ApJ, 911, 33, doi: 10.3847/1538-4357/abe6a8
-
[6]
Cheng, G., Ni, L., Tang, Z., et al. 2024, Evidence for Plasmoid-mediated Magnetic Reconnection during a Small-scale Flare in the Partially Ionized Low Solar Atmosphere, ApJL, 966, L29, doi: 10.3847/2041-8213/ad4027
-
[7]
P., Peter, H., Parenti, S., et al
Chitta, L. P., Peter, H., Parenti, S., et al. 2022, Solar coronal heating from small-scale magnetic braids, A&A, 667, A166, doi: 10.1051/0004-6361/202244170
-
[8]
Cirtain, J. W., Golub, L., Winebarger, A. R., et al. 2013, Energy release in the solar corona from spatially resolved magnetic braids, Nature, 493, 501, doi: 10.1038/nature11772 D´ıaz Baso, C. J., de la Cruz Rodr´ıguez, J., & Leenaarts, J. 2021, An observationally constrained model of strong magnetic reconnection in the solar chromosphere. Atmospheric str...
Show all 93 references
-
[9]
F., Swisdak, M., Che, H., & Shay, M
Drake, J. F., Swisdak, M., Che, H., & Shay, M. A. 2006, Electron acceleration from contracting magnetic islands during reconnection, Nature, 443, 553, doi: 10.1038/nature05116
2006 doi
-
[10]
2023, Macrospicules and Their Connection to Magnetic Reconnection in the Lower Solar
Duan, Y ., Shen, Y ., Chen, H., et al. 2023, Macrospicules and Their Connection to Magnetic Reconnection in the Lower Solar
2023
-
[11]
Atmosphere, ApJL, 942, L22, doi: 10.3847/2041-8213/acac2b
-
[12]
2024, On the Determining Physical Factor of Jet-related Coronal Mass Ejections’ Morphology in the High Corona, ApJ, 968, 110, doi: 10.3847/1538-4357/ad445c
Duan, Y ., Shen, Y ., Tang, Z., Zhou, C., & Tan, S. 2024, On the Determining Physical Factor of Jet-related Coronal Mass Ejections’ Morphology in the High Corona, ApJ, 968, 110, doi: 10.3847/1538-4357/ad445c
2024 doi
-
[13]
L., Drake, J
Fermo, R. L., Drake, J. F., & Swisdak, M. 2012, Secondary Magnetic Islands Generated by the Kelvin-Helmholtz Instability in a Reconnecting Current Sheet, PhRvL, 108, 255005, doi: 10.1103/PhysRevLett.108.255005
2012 doi
-
[14]
G., Seaton, D
Forbes, T. G., Seaton, D. B., & Reeves, K. K. 2018, Reconnection in the Post-impulsive Phase of Solar Flares, ApJ, 858, 70, doi: 10.3847/1538-4357/aabad4
2018 doi
-
[15]
P., Killeen, J., & Rosenbluth, M
Furth, H. P., Killeen, J., & Rosenbluth, M. N. 1963, Finite-Resistivity Instabilities of a Sheet Pinch, Physics of Fluids, 6, 459, doi: 10.1063/1.1706761
1963 doi
-
[16]
J., Bhattacharjee, A., & Huang, Y
Guo, L. J., Bhattacharjee, A., & Huang, Y . M. 2013, Distribution of Plasmoids in Post-coronal Mass Ejection Current Sheets, ApJL, 771, L14, doi: 10.1088/2041-8205/771/1/L14
2013 doi
-
[17]
2011, A Micro Coronal Mass Ejection Associated Blowout Extreme-ultraviolet Jet, ApJL, 738, L20, doi: 10.1088/2041-8205/738/2/L20
Hong, J., Jiang, Y ., Zheng, R., et al. 2011, A Micro Coronal Mass Ejection Associated Blowout Extreme-ultraviolet Jet, ApJL, 738, L20, doi: 10.1088/2041-8205/738/2/L20
2011 doi
-
[18]
1994, Turbulent magnetic field in the distant magnetotail: Bottom-up process of plasmoid formation?, Geophys
Hoshino, M., Nishida, A., Yamamoto, T., & Kokubun, S. 1994, Turbulent magnetic field in the distant magnetotail: Bottom-up process of plasmoid formation?, Geophys. Res. Lett., 21, 2935, doi: 10.1029/94GL02094
1994 doi
-
[19]
S., et al
Hou, Z., Tian, H., Madjarska, M. S., et al. 2024, Numerous bidirectionally propagating plasma blobs near the reconnection site of a solar eruption, A&A, 687, A190, doi: 10.1051/0004-6361/202449765
2024 doi
-
[20]
2012, Distribution of Plasmoids in High-Lundquist-Number Magnetic Reconnection, PhRvL, 109, 265002, doi: 10.1103/PhysRevLett.109.265002
Huang, Y .-M., & Bhattacharjee, A. 2012, Distribution of Plasmoids in High-Lundquist-Number Magnetic Reconnection, PhRvL, 109, 265002, doi: 10.1103/PhysRevLett.109.265002
2012 doi
-
[21]
J., et al
Huang, Z., Xia, L., Nelson, C. J., et al. 2018, Magnetic Braids in Eruptions of a Spiral Structure in the Solar Atmosphere, ApJ, 854, 80, doi: 10.3847/1538-4357/aaa9ba Photospheric Motion Driven Two-Stage Reconnection in a Small-scale Chromospheric Jet 11
2018 doi
-
[22]
2022, Magnetic reconnection in the era of exascale computing and multiscale experiments, Nature Reviews Physics, 4, 263, doi: 10.1038/s42254-021-00419-x
Ji, H., Daughton, W., Jara-Almonte, J., et al. 2022, Magnetic reconnection in the era of exascale computing and multiscale experiments, Nature Reviews Physics, 4, 263, doi: 10.1038/s42254-021-00419-x
2022 doi
-
[23]
2007, Magnetic Interaction: An Erupting Filament and a Remote Coronal Hole, ApJL, 667, L105, doi: 10.1086/521949 Karlick´y, M
Jiang, Y ., Yang, L., Li, K., & Shen, Y . 2007, Magnetic Interaction: An Erupting Filament and a Remote Coronal Hole, ApJL, 667, L105, doi: 10.1086/521949 Karlick´y, M. 2004, Series of high-frequency slowly drifting structures mapping the flare magnetic field reconnection, A&A...
2007 doi
- [24]
-
[25]
C., Lin, J., et al
Ko, Y .-K., Raymond, J. C., Lin, J., et al. 2003, Dynamical and Physical Properties of a Post-Coronal Mass Ejection Current
2003
-
[26]
Sheet, ApJ, 594, 1068, doi: 10.1086/376982
-
[27]
2013, Simultaneous EUV and radio observations of bidirectional plasmoids ejection during magnetic reconnection, A&A, 557, A115, doi: 10.1051/0004-6361/201220999
Kumar, P., & Cho, K.-S. 2013, Simultaneous EUV and radio observations of bidirectional plasmoids ejection during magnetic reconnection, A&A, 557, A115, doi: 10.1051/0004-6361/201220999
2013 doi
-
[28]
2012, The Formation of the Hα Line in the Solar Chromosphere, ApJ, 749, 136, doi: 10.1088/0004-637X/749/2/136
Leenaarts, J., Carlsson, M., & Rouppe van der V oort, L. 2012, The Formation of the Hα Line in the Solar Chromosphere, ApJ, 749, 136, doi: 10.1088/0004-637X/749/2/136
2012 doi
-
[29]
Leenaarts, J., van Noort, M., de la Cruz Rodr´ıguez, J., et al. 2025, High flow speeds and transition-region-like temperatures in the solar chromosphere during flux emergence: Evidence from imaging spectropolarimetry in He I 1083 nm and numerical simulations, A&A, 696, A3, doi...
2025 doi
-
[30]
R., Title, A
Lemen, J. R., Title, A. M., Akin, D. J., et al. 2012, The Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO), SoPh, 275, 17, doi: 10.1007/s11207-011-9776-8
2012 doi
-
[31]
2024, Localizing Quasiperiodic Pulsations in Hard X-Ray, Microwave, and Lyα Emissions of an X6.4 Flare, ApJ, 970, 77, doi: 10.3847/1538-4357/ad566c
Li, D., Hong, Z., Hou, Z., & Su, Y . 2024, Localizing Quasiperiodic Pulsations in Hard X-Ray, Microwave, and Lyα Emissions of an X6.4 Flare, ApJ, 970, 77, doi: 10.3847/1538-4357/ad566c
2024 doi
-
[32]
2016, Magnetic reconnection between a solar filament and nearby coronal loops, Nature Physics, 12, 847, doi: 10.1038/nphys3768
Li, L., Zhang, J., Peter, H., et al. 2016, Magnetic reconnection between a solar filament and nearby coronal loops, Nature Physics, 12, 847, doi: 10.1038/nphys3768
2016 doi
-
[33]
Litvinenko, Y . E. 1999, Photospheric Magnetic Reconnection and Canceling Magnetic Features on the Sun, ApJ, 515, 435, doi: 10.1086/307001
1999 doi
-
[34]
2025, Deciphering the Formation and Dynamics of Double-decker Filaments through Component Magnetic Reconnection, ApJL, 987, L5, doi: 10.3847/2041-8213/addfca
Liu, D., Shen, Y ., Bi, Y ., et al. 2025, Deciphering the Formation and Dynamics of Double-decker Filaments through Component Magnetic Reconnection, ApJL, 987, L5, doi: 10.3847/2041-8213/addfca
2025 doi
-
[35]
2020, Magnetic flux ropes in the solar corona: structure and evolution toward eruption, Research in Astronomy and Astrophysics, 20, 165, doi: 10.1088/1674-4527/20/10/165
Liu, R. 2020, Magnetic flux ropes in the solar corona: structure and evolution toward eruption, Research in Astronomy and Astrophysics, 20, 165, doi: 10.1088/1674-4527/20/10/165
2020 doi
-
[36]
2013, Plasmoid Ejections and Loop Contractions in an Eruptive M7.7 Solar Flare: Evidence of Particle Acceleration and Heating in Magnetic Reconnection
Liu, W., Chen, Q., & Petrosian, V . 2013, Plasmoid Ejections and Loop Contractions in an Eruptive M7.7 Solar Flare: Evidence of Particle Acceleration and Heating in Magnetic Reconnection
2013
-
[37]
Outflows, ApJ, 767, 168, doi: 10.1088/0004-637X/767/2/168
-
[38]
2014, New vacuum solar telescope and observations with high resolution, Research in Astronomy and Astrophysics, 14, 705, doi: 10.1088/1674-4527/14/6/009
Liu, Z., Xu, J., Gu, B.-Z., et al. 2014, New vacuum solar telescope and observations with high resolution, Research in Astronomy and Astrophysics, 14, 705, doi: 10.1088/1674-4527/14/6/009
2014 doi
-
[39]
O., McAteer, R
Milligan, R. O., McAteer, R. T. J., Dennis, B. R., & Young, C. A. 2010, Evidence of a Plasmoid-Looptop Interaction and Magnetic Inflows During a Solar Flare/Coronal Mass Ejection Eruptive
2010
-
[40]
Event, ApJ, 713, 1292, doi: 10.1088/0004-637X/713/2/1292
-
[41]
2021, A magnetic reconnection model for hot explosions in the cool atmosphere of the Sun, A&A, 646, A88, doi: 10.1051/0004-6361/202039239
Ni, L., Chen, Y ., Peter, H., Tian, H., & Lin, J. 2021, A magnetic reconnection model for hot explosions in the cool atmosphere of the Sun, A&A, 646, A88, doi: 10.1051/0004-6361/202039239
2021 doi
-
[42]
A., & Lin, J
Ni, L., Zhang, Q.-M., Murphy, N. A., & Lin, J. 2017, Blob Formation and Ejection in Coronal Jets due to the Plasmoid and Kelvin-Helmholtz Instabilities, ApJ, 841, 27, doi: 10.3847/1538-4357/aa6ffe
2017 doi
-
[43]
2011, Statistical Study of Chromospheric Anemone Jets Observed with Hinode/SOT, ApJ, 731, 43, doi: 10.1088/0004-637X/731/1/43
Shibata, K. 2011, Statistical Study of Chromospheric Anemone Jets Observed with Hinode/SOT, ApJ, 731, 43, doi: 10.1088/0004-637X/731/1/43
2011 doi
-
[44]
D., Krucker, S., Fujimoto, M., & Shinohara, I
Oka, M., Phan, T. D., Krucker, S., Fujimoto, M., & Shinohara, I. 2010, Electron Acceleration by Multi-Island Coalescence, ApJ, 714, 915, doi: 10.1088/0004-637X/714/1/915
2010 doi
-
[45]
Parker, E. N. 1983, Magnetic Neutral Sheets in Evolving Fields - Part Two - Formation of the Solar Corona, ApJ, 264, 642, doi: 10.1086/160637
1983 doi
-
[46]
Parker, E. N. 1988, Nanoflares and the Solar X-Ray Corona, ApJ, 330, 474, doi: 10.1086/166485
1988 doi
-
[47]
2020, A statistical study of plasmoids associated with a post-CME current sheet, A&A, 644, A158, doi: 10.1051/0004-6361/202039000
Patel, R., Pant, V ., Chandrashekhar, K., & Banerjee, D. 2020, A statistical study of plasmoids associated with a post-CME current sheet, A&A, 644, A158, doi: 10.1051/0004-6361/202039000
2020 doi
-
[48]
2014, Hot explosions in the cool atmosphere of the Sun, Science, 346, 1255726, doi: 10.1126/science.1255726
Peter, H., Tian, H., Curdt, W., et al. 2014, Hot explosions in the cool atmosphere of the Sun, Science, 346, 1255726, doi: 10.1126/science.1255726
2014 doi
-
[49]
R., Chitta, L
Priest, E. R., Chitta, L. P., & Syntelis, P. 2018, A Cancellation Nanoflare Model for Solar Chromospheric and Coronal Heating, ApJL, 862, L24, doi: 10.3847/2041-8213/aad4fc
2018 doi
-
[50]
R., & Pontin, D
Priest, E. R., & Pontin, D. I. 2024, Heating in the solar atmosphere at a fin current sheet driven by magnetic flux cancellation, MNRAS, 534, 3133, doi: 10.1093/mnras/stae2294 12 T ang et al
2024 doi
-
[51]
L., & Wu, C
Pritchett, P. L., & Wu, C. C. 1979, Coalescence of magnetic islands, Physics of Fluids, 22, 2140, doi: 10.1063/1.862507
1979 doi
-
[52]
G., et al
Reid, A., Mathioudakis, M., Doyle, J. G., et al. 2016, Magnetic Flux Cancellation in Ellerman Bombs, ApJ, 823, 110, doi: 10.3847/0004-637X/823/2/110 Rouppe van der V oort, L., De Pontieu, B., Scharmer, G. B., et al. 2017, Intermittent Reconnection and Plasmoids in UV Bursts in...
2016 doi
-
[53]
H., Bush, R
Schou, J., Scherrer, P. H., Bush, R. I., et al. 2012, Design and Ground Calibration of the Helioseismic and Magnetic Imager (HMI) Instrument on the Solar Dynamics Observatory (SDO), SoPh, 275, 229, doi: 10.1007/s11207-011-9842-2
2012 doi
-
[54]
2025, Formation of solar spicules due to high-frequency perturbation in the solar photosphere, Advances in Space Research, doi: https://doi.org/10.1016/j.asr.2025.05.028
Sharma, I., Varshney, D., & Singh, K. 2025, Formation of solar spicules due to high-frequency perturbation in the solar photosphere, Advances in Space Research, doi: https://doi.org/10.1016/j.asr.2025.05.028
2025 doi
-
[55]
2021, Observation and modelling of solar jets, Proceedings of the Royal Society of London Series A, 477, 217, doi: 10.1098/rspa.2020.0217
Shen, Y . 2021, Observation and modelling of solar jets, Proceedings of the Royal Society of London Series A, 477, 217, doi: 10.1098/rspa.2020.0217
2021
-
[56]
T., et al
Shen, Y ., Ichimoto, K., Ishii, T. T., et al. 2014a, A Chain of Winking (Oscillating) Filaments Triggered by an Invisible Extreme-ultraviolet Wave, ApJ, 786, 151, doi: 10.1088/0004-637X/786/2/151
-
[57]
2012a, Sympathetic Partial and Full Filament Eruptions Observed in One Solar Breakout Event, ApJ, 750, 12, doi: 10.1088/0004-637X/750/1/12
Shen, Y ., Liu, Y ., & Su, J. 2012a, Sympathetic Partial and Full Filament Eruptions Observed in One Solar Breakout Event, ApJ, 750, 12, doi: 10.1088/0004-637X/750/1/12
-
[58]
Shen, Y ., Liu, Y ., Su, J., & Deng, Y . 2012b, On a Coronal Blowout Jet: The First Observation of a Simultaneously Produced Bubble-like CME and a Jet-like CME in a Solar Event, ApJ, 745, 164, doi: 10.1088/0004-637X/745/2/164
-
[59]
Shen, Y ., Liu, Y ., Su, J., & Ibrahim, A. 2011, Kinematics and Fine Structure of an Unwinding Polar Jet Observed by the Solar Dynamic Observatory/Atmospheric Imaging Assembly, ApJL, 735, L43, doi: 10.1088/2041-8205/735/2/L43
2011 doi
-
[60]
D., Chen, P
Shen, Y ., Liu, Y . D., Chen, P. F., & Ichimoto, K. 2014b, Simultaneous Transverse Oscillations of a Prominence and a Filament and Longitudinal Oscillation of Another Filament Induced by a Single Shock Wave, ApJ, 795, 130, doi: 10.1088/0004-637X/795/2/130
-
[61]
D., Su, J., Qu, Z., & Tian, Z
Shen, Y ., Liu, Y . D., Su, J., Qu, Z., & Tian, Z. 2017, On a Solar Blowout Jet: Driving Mechanism and the Formation of Cool and Hot Components, ApJ, 851, 67, doi: 10.3847/1538-4357/aa9a48
2017 doi
-
[62]
2019, Round-trip Slipping Motion of the Circular Flare Ribbon Evidenced in a Fan-spine Jet, ApJL, 885, L11, doi: 10.3847/2041-8213/ab4cf3
Shen, Y ., Qu, Z., Zhou, C., et al. 2019, Round-trip Slipping Motion of the Circular Flare Ribbon Evidenced in a Fan-spine Jet, ApJL, 885, L11, doi: 10.3847/2041-8213/ab4cf3
2019 doi
-
[63]
Shen, Y .-D., Liu, Y ., & Liu, R. 2011, A time series of filament eruptions observed by three eyes from space: from failed to successful eruptions, Research in Astronomy and Astrophysics, 11, 594, doi: 10.1088/1674-4527/11/5/009
2011 doi
-
[64]
2001, Plasmoid-induced-reconnection and fractal reconnection, Earth, Planets and Space, 53, 473, doi: 10.1186/BF03353258
Shibata, K., & Tanuma, S. 2001, Plasmoid-induced-reconnection and fractal reconnection, Earth, Planets and Space, 53, 473, doi: 10.1186/BF03353258
2001 doi
-
[65]
2007, Chromospheric Anemone Jets as Evidence of Ubiquitous
Shibata, K., Nakamura, T., Matsumoto, T., et al. 2007, Chromospheric Anemone Jets as Evidence of Ubiquitous
2007
-
[66]
Reconnection, Science, 318, 1591, doi: 10.1126/science.1146708
-
[67]
Singh, K. A. P., Isobe, H., Nishizuka, N., Nishida, K., & Shibata, K. 2012, Multiple Plasma Ejections and Intermittent Nature of Magnetic Reconnection in Solar Chromospheric Anemone Jets, ApJ, 759, 33, doi: 10.1088/0004-637X/759/1/33
2012 doi
-
[68]
Singh, K. A. P., Nishida, K., & Shibata, K. 2024, Calcium Bright Knots and the Formation of Chromospheric Anemone Jets on the Sun, ApJL, 962, L35, doi: 10.3847/2041-8213/ad24e7
2024 doi
-
[69]
Singh, K. A. P., Shibata, K., Nishizuka, N., & Isobe, H. 2011, Chromospheric anemone jets and magnetic reconnection in partially ionized solar atmosphere, Physics of Plasmas, 18, 111210, doi: 10.1063/1.3655444
2011 doi
-
[70]
2012, Coalescence of Macroscopic Magnetic Islands and Electron Acceleration from STEREO Observation, Physical Review X, 2, 021015, doi: 10.1103/PhysRevX.2.021015
Song, H.-Q., Chen, Y ., Li, G., Kong, X.-L., & Feng, S.-W. 2012, Coalescence of Macroscopic Magnetic Islands and Electron Acceleration from STEREO Observation, Physical Review X, 2, 021015, doi: 10.1103/PhysRevX.2.021015
2012 doi
-
[71]
R., & Chitta, L
Syntelis, P., Priest, E. R., & Chitta, L. P. 2019, A Cancellation Nanoflare Model for Solar Chromospheric and Coronal Heating. II. 2D Theory and Simulations, ApJ, 872, 32, doi: 10.3847/1538-4357/aafaf8
2019 doi
-
[72]
2012, Simultaneous Observation of Reconnection Inflow and Outflow Associated with the 2010 August 18 Solar Flare, ApJL, 745, L6, doi: 10.1088/2041-8205/745/1/L6
Takasao, S., Asai, A., Isobe, H., & Shibata, K. 2012, Simultaneous Observation of Reconnection Inflow and Outflow Associated with the 2010 August 18 Solar Flare, ApJL, 745, L6, doi: 10.1088/2041-8205/745/1/L6
2012 doi
-
[73]
2017, Investigation of merging/reconnection heating during solenoid-free startup of plasmas in the MAST Spherical Tokamak, Nuclear Fusion, 57, 056037, doi: 10.1088/1741-4326/aa6608
Tanabe, H., Yamada, T., Watanabe, T., et al. 2017, Investigation of merging/reconnection heating during solenoid-free startup of plasmas in the MAST Spherical Tokamak, Nuclear Fusion, 57, 056037, doi: 10.1088/1741-4326/aa6608
2017 doi
-
[74]
2025, High-resolution Observations of a Small-scale Cancellation Nanoflare: Supporting Evidence for the Cancellation Nanoflare
Tang, Z., Shen, Y ., Zhou, C., Yao, S., & Liu, D. 2025, High-resolution Observations of a Small-scale Cancellation Nanoflare: Supporting Evidence for the Cancellation Nanoflare
2025
-
[75]
Model, ApJL, 985, L11, doi: 10.3847/2041-8213/adca3a Photospheric Motion Driven Two-Stage Reconnection in a Small-scale Chromospheric Jet 13
-
[76]
2021, Sympathetic Standard and Blowout Coronal Jets Observed in a Polar Coronal Hole, ApJL, 912, L15, doi: 10.3847/2041-8213/abf73a
Tang, Z., Shen, Y ., Zhou, X., et al. 2021, Sympathetic Standard and Blowout Coronal Jets Observed in a Polar Coronal Hole, ApJL, 912, L15, doi: 10.3847/2041-8213/abf73a
2021 doi
-
[77]
2016, Are IRIS Bombs Connected to Ellerman Bombs?, ApJ, 824, 96, doi: 10.3847/0004-637X/824/2/96
Tian, H., Xu, Z., He, J., & Madsen, C. 2016, Are IRIS Bombs Connected to Ellerman Bombs?, ApJ, 824, 96, doi: 10.3847/0004-637X/824/2/96
2016 doi
-
[78]
E., Cranmer, S
Tian, H., DeLuca, E. E., Cranmer, S. R., et al. 2014, Prevalence of small-scale jets from the networks of the solar transition region and chromosphere, Science, 346, 1255711, doi: 10.1126/science.1255711
2014 doi
-
[79]
2018, Frequently Occurring Reconnection Jets from Sunspot Light Bridges, ApJ, 854, 92, doi: 10.3847/1538-4357/aaa89d
Tian, H., Yurchyshyn, V ., Peter, H., et al. 2018, Frequently Occurring Reconnection Jets from Sunspot Light Bridges, ApJ, 854, 92, doi: 10.3847/1538-4357/aaa89d
2018 doi
-
[80]
A., Loureiro, N
Uzdensky, D. A., Loureiro, N. F., & Schekochihin, A. A. 2010, Fast Magnetic Reconnection in the Plasmoid-Dominated
2010
-
[81]
2003, Interaction of an Erupting Filament with the Ambient Magnetoplasma and Escape of Electron Beams, SoPh, 217, 187, doi: 10.1023/A:1027388929859
Regime, PhRvL, 105, 235002, doi: 10.1103/PhysRevLett.105.235002 Vrˇsnak, B., Warmuth, A., Mariˇci´c, D., Otruba, W., & Ruˇzdjak, V . 2003, Interaction of an Erupting Filament with the Ambient Magnetoplasma and Escape of Electron Beams, SoPh, 217, 187, doi: 10.1023/A:1027388929859
2003 doi
-
[82]
2010, In Situ Observations of a Secondary Magnetic Island in an Ion Diffusion Region and Associated Energetic Electrons, PhRvL, 104, 175003, doi: 10.1103/PhysRevLett.104.175003
Wang, R., Lu, Q., Du, A., & Wang, S. 2010, In Situ Observations of a Secondary Magnetic Island in an Ion Diffusion Region and Associated Energetic Electrons, PhRvL, 104, 175003, doi: 10.1103/PhysRevLett.104.175003
2010 doi
-
[83]
L., & Noyes, R
Withbroe, G. L., & Noyes, R. W. 1977, Mass and energy flow in the solar chromosphere and corona., ARA&A, 15, 363, doi: 10.1146/annurev.aa.15.090177.002051
1977
-
[84]
2016, High resolution reconstruction of solar prominence images observed by the New Vacuum Solar Telescope, NewA, 49, 8, doi: 10.1016/j.newast.2016.05.002
Xiang, Y .-y., Liu, Z., & Jin, Z.-y. 2016, High resolution reconstruction of solar prominence images observed by the New Vacuum Solar Telescope, NewA, 49, 8, doi: 10.1016/j.newast.2016.05.002
2016 doi
-
[85]
2021, Formation of a Solar Filament by Magnetic Reconnection, Associated Chromospheric Evaporation, and Subsequent Coronal
Yang, B., Yang, J., Bi, Y ., Hong, J., & Xu, Z. 2021, Formation of a Solar Filament by Magnetic Reconnection, Associated Chromospheric Evaporation, and Subsequent Coronal
2021
-
[86]
Condensation, ApJL, 921, L33, doi: 10.3847/2041-8213/ac31b6
-
[87]
2024, Two-sided Loop Solar Jet Driven by the Eruption of a Small Filament in a Big Filament Channel, ApJ, 964, 7, doi: 10.3847/1538-4357/ad23e5
Yang, J., Chen, H., Hong, J., Yang, B., & Bi, Y . 2024, Two-sided Loop Solar Jet Driven by the Eruption of a Small Filament in a Big Filament Channel, ApJ, 964, 7, doi: 10.3847/1538-4357/ad23e5
2024 doi
-
[88]
2023, Weak Bidirectional Outflows and Flare Current Sheet in a Solar Coronal Jet Driven by the Eruption of a Minifilament, ApJ, 942, 86, doi: 10.3847/1538-4357/aca66f
Yang, J., Hong, J., Yang, B., Bi, Y ., & Xu, Z. 2023, Weak Bidirectional Outflows and Flare Current Sheet in a Solar Coronal Jet Driven by the Eruption of a Minifilament, ApJ, 942, 86, doi: 10.3847/1538-4357/aca66f
2023 doi
-
[89]
2023, Observational Study of Recurrent Jets Confined by Active Region Loops, ApJ, 945, 96, doi: 10.3847/1538-4357/acb6f6
Yang, L., Yan, X., Xue, Z., et al. 2023, Observational Study of Recurrent Jets Confined by Active Region Loops, ApJ, 945, 96, doi: 10.3847/1538-4357/acb6f6
2023 doi
-
[90]
2024, Formation and Eruption of a Hot Channel Magnetic Flux Rope in a Nested Double Null Magnetic System, ApJL, 975, L5, doi: 10.3847/2041-8213/ad84ea
Yao, S., Shen, Y ., Zhou, C., Liu, D., & Zhou, X. 2024, Formation and Eruption of a Hot Channel Magnetic Flux Rope in a Nested Double Null Magnetic System, ApJL, 975, L5, doi: 10.3847/2041-8213/ad84ea
2024 doi
-
[91]
M., & Ji, H
Zhang, Q. M., & Ji, H. S. 2014, Blobs in recurring extreme-ultraviolet jets, A&A, 567, A11, doi: 10.1051/0004-6361/201423698
2014 doi
-
[92]
1985, The Emergence of Magnetic Flux, SoPh, 100, 397, doi: 10.1007/BF00158438
Zwaan, C. 1985, The Emergence of Magnetic Flux, SoPh, 100, 397, doi: 10.1007/BF00158438
1985 doi
-
[93]
1987, Elements and patterns in the solar magnetic field., ARA&A, 25, 83, doi: 10.1146/annurev.aa.25.090187.000503
Zwaan, C. 1987, Elements and patterns in the solar magnetic field., ARA&A, 25, 83, doi: 10.1146/annurev.aa.25.090187.000503
1987
Reviewed August 6, 2026 · model on record in the stance chip above.
Discussion (0). Sign in to comment.