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Intense Geomagnetic Storms during Solar Cycles 23-25
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2024
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N. Gopalswamy
S. Akiyama
S. Yashiro
P. MÀkelÀ
H. Xie
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Solar Energetic-Particle-Associated Coronal Mass Ejections Observed by the Mauna Loa Solar Observatory Mk3 and Mk4 Coronameters
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2023
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I. G. Richardson
O. C. St. Cyr
J. Burkepile
H. Xie
B. J. Thompson
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What Do Halo CMEs Tell Us about Solar Cycle 25?
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2023
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N. Gopalswamy
G. MichaĆek
S. Yashiro
P. MÀkelÀ
S. Akiyama
H. Xie
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What do halo CMEs tell us about solar cycle 25?
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2023
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N. Gopalswamy
G. MichaĆek
S. Yashiro
P. MÀkelÀ
S. Akiyama
H. Xie
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Speed and Acceleration of CMEs Associated with Sustained Gamma-Ray Emission Events Observed by Fermi/LAT
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2023
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P. MÀkelÀ
N. Gopalswamy
S. Akiyama
H. Xie
S. Yashiro
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What Is Unusual About the Third Largest Geomagnetic Storm of Solar Cycle 24?
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2022
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N. Gopalswamy
S. Yashiro
S. Akiyama
H. Xie
P. MÀkelÀ
M.âC. Fok
C. Ferradas
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The Relation between Type III Radio Storms and CIR Energetic Particles
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2022
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Nat Gopalswamy
P. MÀkelÀ
S. Yashiro
S. Akiyama
H. Xie
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Can Type III Radio Storms be a Source of Seed Particles to Shock Acceleration?
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2022
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Nat Gopalswamy
S. Akiyama
P. MÀkelÀ
S. Yashiro
H. Xie
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Direct First Parker Solar Probe Observation of the Interaction of Two Successive Interplanetary Coronal Mass Ejections in 2020 November
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2022
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Teresa NievesâChinchilla
Nathalia Alzate
H. Cremades
Laura RodrĂguezâGarcĂa
Luiz F. G. Dos Santos
Ayris Narock
H. Xie
Ă. SzabĂł
Erika Palmerio
Vratislav KrupaĆ
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What is Unusual about the Third Largest Geomagnetic Storm of Solar Cycle 24?
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2022
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N. Gopalswamy
S. Yashiro
S. Akiyama
H. Xie
P. MÀkelÀ
M.âC. Fok
C. Ferradas
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The Solar Cause of the 2022 February 3 Geomagnetic Storm that Led to the Demise of the Starlink Satellites
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2022
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N. Gopalswamy
H. Xie
S. Yashiro
S. Akiyama
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The Common Origin of High-energy Protons in Solar Energetic Particle Events and Sustained Gamma-Ray Emission from the Sun
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2021
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N. Gopalswamy
S. Yashiro
P. MÀkelÀ
H. Xie
S. Akiyama
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Effect of the Weakened Heliosphere in Solar Cycle 24 on the Properties of Coronal Mass Ejections
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2020
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N. Gopalswamy
S. Akiyama
S. Yashiro
G. MichaĆek
H. Xie
P. MÀkelÀ
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The Coronal Mass Ejection Visibility Function of Modern Coronagraphs
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2020
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A. Vourlidas
L. Balmaceda
H. Xie
O. C. St. Cyr
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The Coronal Mass Ejection Visibility Function of Modern Coronagraphs
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2020
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A. Vourlidas
L. Balmaceda
H. Xie
O. C. St. Cyr
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The Shock-Driving Capability of a CME Inferred from Multiwavelength Observations
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2020
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Fithanegest Dagnew
N. Gopalswamy
Solomon Tassema
Agne Umuhire
S. Yashiro
P. MÀkelÀ
H. Xie
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On the Properties of Solar Energetic Particle Events Associated with Metric Type II Radio Bursts
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2020
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Nat Gopalswamy
P. MÀkelÀ
H. Xie
S. Akiyama
S. Yashiro
Neeharika Takur
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Source of Energetic Protons in the 2014 September 1 Sustained Gamma-ray Emission Event
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2020
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N. Gopalswamy
P. MÀkelÀ
S. Yashiro
S. Akiyama
H. Xie
N. Thakur
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On the Shock Source of Sustained Gamma-Ray Emission from the Sun
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2019
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N. Gopalswamy
P. MÀkelÀ
S. Yashiro
A. Lara
S. Akiyama
H. Xie
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Fermi, Wind, and SOHO Observations of Sustained Gamma-Ray Emission from the Sun
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2019
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N. Gopalswamy
P. MÀkelÀ
S. Yashiro
A. Lara
H. Xie
S. Akiyama
R. J. MacDowall
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Extreme Kinematics of the 2017 September 10 Solar Eruption and the Spectral Characteristics of the Associated Energetic Particles
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2018
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N. Gopalswamy
S. Yashiro
P. MÀkelÀ
H. Xie
S. Akiyama
C. Monstein
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Sun-to-earth propagation of the 2015 June 21 coronal mass ejection revealed by optical, EUV, and radio observations
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2018
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N. Gopalswamy
P. MÀkelÀ
S. Akiyama
S. Yashiro
H. Xie
N. Thakur
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Fermi, Wind, and SOHO Observations of Sustained Gamma-Ray Emission from the Sun
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2018
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N. Gopalswamy
P. MÀkelÀ
S. Yashiro
A. Lara
H. Xie
S. Akiyama
R. J. MacDowall
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A Sun-to-Earth Analysis of Magnetic Helicity of the 2013 March 17â18 Interplanetary Coronal Mass Ejection
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2017
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Sanchita Pal
N. Gopalswamy
Dibyendu Nandy
S. Akiyama
S. Yashiro
P. MÀkelÀ
H. Xie
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A Hierarchical Relationship between the Fluence Spectra and CME Kinematics in Large Solar Energetic Particle Events: A Radio Perspective
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2017
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N. Gopalswamy
P. MÀkelÀ
S. Yashiro
N. Thakur
S. Akiyama
H. Xie
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A New Technique to Provide Realistic Input to CME Forecasting Models
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2017
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N. Gopalswamy
S. Akiyama
S. Yashiro
H. Xie
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Coronal flux ropes and their interplanetary counterparts
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2017
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N. Gopalswamy
S. Akiyama
S. Yashiro
H. Xie
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Deflection and Rotation of CMEs from Active Region 11158
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2017
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C. Kay
N. Gopalswamy
H. Xie
S. Yashiro
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Estimation of Reconnection Flux Using Post-eruption Arcades and Its Relevance to Magnetic Clouds at 1 AU
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2017
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N. Gopalswamy
S. Yashiro
S. Akiyama
H. Xie
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THE 2012 JULY 23 BACKSIDE ERUPTION: AN EXTREME ENERGETIC PARTICLE EVENT?
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2016
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N. Gopalswamy
S. Yashiro
N. Thakur
P. MÀkelÀ
H. Xie
S. Akiyama
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A study of the 2012 January 19 complex type II radio burst using wind, SOHO, and STEREO observations
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2016
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Tsega Berhane Teklu
A. V. Gholap
N. Gopalswamy
S. Yashiro
P. MÀkelÀ
S. Akiyama
N. Thakur
H. Xie
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Energy dependence of SEP electron and proton onset times
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2016
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H. Xie
P. MÀkelÀ
N. Gopalswamy
O. C. St. Cyr
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A Study of the 2012 January 19 Complex Type II Radio Burst Using Wind, SOHO, and STEREO Observations
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2016
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Tsega Berhane Teklu
A. V. Gholap
N. Gopalswamy
S. Yashiro
P. MÀkelÀ
S. Akiyama
N. Thakur
H. Xie
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Properties and geoeffectiveness of magnetic clouds during solar cycles 23 and 24
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2015
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N. Gopalswamy
S. Yashiro
H. Xie
S. Akiyama
P. MÀkelÀ
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Low-Frequency Type-II Radio Detections and Coronagraph Data Employed to Describe and Forecast the Propagation of 71 CMEs/Shocks
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2015
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H. Cremades
F. A. Iglesias
O. C. St. Cyr
H. Xie
M. L. Kaiser
N. Gopalswamy
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High-energy solar particle events in cycle 24
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2015
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N. Gopalswamy
P. MÀkelÀ
S. Yashiro
H. Xie
S. Akiyama
N. Thakur
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LARGE SOLAR ENERGETIC PARTICLE EVENTS ASSOCIATED WITH FILAMENT ERUPTIONS OUTSIDE ACTIVE REGIONS
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2015
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N. Gopalswamy
P. MÀkelÀ
S. Akiyama
S. Yashiro
H. Xie
N. Thakur
S. W. Kahler
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THE PECULIAR BEHAVIOR OF HALO CORONAL MASS EJECTIONS IN SOLAR CYCLE 24
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2015
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N. Gopalswamy
H. Xie
S. Akiyama
P. MÀkelÀ
S. Yashiro
G. MichaĆek
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The Mild Space Weather in Solar Cycle 24
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2015
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Nat Gopalswamy
S. Akiyama
S. Yashiro
H. Xie
P. MÀkelÀ
G. MichaĆek
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Major solar eruptions and high-energy particle events during solar cycle 24
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2014
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N. Gopalswamy
H. Xie
S. Akiyama
P. MÀkelÀ
S. Yashiro
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GROUND LEVEL ENHANCEMENT IN THE 2014 JANUARY 6 SOLAR ENERGETIC PARTICLE EVENT
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2014
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N. Thakur
N. Gopalswamy
H. Xie
P. MÀkelÀ
S. Yashiro
S. Akiyama
J. M. Davila
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Anomalous expansion of coronal mass ejections during solar cycle 24 and its space weather implications
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2014
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N. Gopalswamy
S. Akiyama
S. Yashiro
H. Xie
P. MÀkelÀ
G. MichaĆek
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Testing the empirical shock arrival model using quadrature observations
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2013
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N. Gopalswamy
P. MÀkelÀ
H. Xie
S. Yashiro
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A multiwavelength study of eruptive events on January 23, 2012 associated with a major solar energetic particle event
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2013
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Navin Chandra Joshi
Wahab Uddin
A. K. Srivastava
Ramesh Chandra
N. Gopalswamy
P. K. Manoharan
Markus J. Aschwanden
Debi Prasad Choudhary
R. Jain
N. Nitta
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THE FIRST GROUND LEVEL ENHANCEMENT EVENT OF SOLAR CYCLE 24: DIRECT OBSERVATION OF SHOCK FORMATION AND PARTICLE RELEASE HEIGHTS
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2013
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N. Gopalswamy
H. Xie
S. Akiyama
S. Yashiro
Ilya Usoskin
J. M. Davila
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Height of shock formation in the solar corona inferred from observations of type II radio bursts and coronal mass ejections
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2013
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N. Gopalswamy
H. Xie
P. MÀkelÀ
S. Yashiro
S. Akiyama
Wahab Uddin
A. K. Srivastava
Navin Chandra Joshi
Ramesh Chandra
P. K. Manoharan
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The Solar Connection of Enhanced Heavy Ion Charge States in the Interplanetary Medium: Implications for the Flux-Rope Structure of CMEs
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2013
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N. Gopalswamy
P. MÀkelÀ
S. Akiyama
H. Xie
S. Yashiro
A. A. Reinard
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Near-Sun Flux-Rope Structure of CMEs
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2013
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H. Xie
N. Gopalswamy
O. C. St. Cyr
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Coronal Hole Influence on the Observed Structure of Interplanetary CMEs
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2013
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P. MÀkelÀ
N. Gopalswamy
H. Xie
A. Mohamed
S. Akiyama
S. Yashiro
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Radioâloud CMEs from the disk center lacking shocks at 1 AU
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2012
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N. Gopalswamy
P. MÀkelÀ
S. Akiyama
S. Yashiro
H. Xie
R. J. MacDowall
M. L. Kaiser
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Properties of Ground Level Enhancement Events and the Associated Solar Eruptions During Solar Cycle 23
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2012
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N. Gopalswamy
H. Xie
S. Yashiro
S. Akiyama
P. MÀkelÀ
Ilya Usoskin
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LARGE GEOMAGNETIC STORMS ASSOCIATED WITH LIMB HALO CORONAL MASS EJECTIONS
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2010
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N. Gopalswamy
S. Yashiro
H. Xie
S. Akiyama
PERTTI MĂAKELĂ
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INTERPLANETARY SHOCKS LACKING TYPE II RADIO BURSTS
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2010
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N. Gopalswamy
H. Xie
P. MÀkelÀ
S. Akiyama
S. Yashiro
M. L. Kaiser
R. A. Howard
J. L. Bougeret
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INTERPLANETARY SHOCKS LACKING TYPE II RADIO BURSTS
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2010
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N. Gopalswamy
H. Xie
P. MÀkelÀ
S. Akiyama
S. Yashiro
M. L. Kaiser
R. A. Howard
JeanâLouis Bougeret
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Width of Radio-Loud and Radio-Quiet CMEs
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2007
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G. MichaĆek
N. Gopalswamy
H. Xie
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Width of Radio-Loud and Radio-Quiet CMEs
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2007
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G. MichaĆek
N. Gopalswamy
H. Xie
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