Publications of Gert J. J. Botha

A list of publications authored or co-authored by Gert J. J. Botha, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0002-5915-697X

List of publications ordered by citations
Number of papers: 44 (refereed: 41)
No. of citations: 430
First author papers: 13 (refereed: 11)

2026

  1. First Detailed MeerKAT Imaging Spectroscopy of a Solar Flare [0]
    Luo, Yingjie, Kontar, Eduard P., Strauss, Roelf Du Toit, Botha, Gert J. J., Mrozek, Tomasz, Nita, Gelu M., Buchner, Sarah & Chibueze, James O., ApJ, 998, L46
  2. Wave Generation via Oscillatory Reconnection at a Three-dimensional Magnetic Null Point [0]
    Schiavo, Luiz A. C. A., Botha, Gert J. J. & McLaughlin, James A., ApJ, 999, 50
  3. Fast Magnetoacoustic Wave Behavior within Gravitationally Stratified, Magnetically Inhomogeneous Media [0]
    Smith, Ryan T., McLaughlin, James A. & Botha, Gert J. J., ApJ, 997, 178
  4. The Reliability of Local Correlation Tracking for Inferring Photospheric Intensity Vortices [0]
    Turkay, Shivdev Singh, Scullion, Eamon, Botha, Gert J. J. & Rees-Crockford, Thomas, ApJ, 999, 58

2025

  1. The Coronal Power Spectrum from MHD Mode Conversion above Sunspots [4]
    Miriyala, Hemanthi, Morton, Richard J., Khomenko, Elena, Antolin, Patrick & Botha, Gert J. J., ApJ, 979, 236
  2. Time-dependent Turbulent Electron Acceleration and Transport in Solar Flares [1]
    Schiavo, Luiz A. C. A., Jeffrey, Natasha L. S., Botha, Gert J. J. & McLaughlin, James A., ApJ, 994, 173
  3. The Periodicity of Three-dimensional Oscillatory Reconnection [1]
    Schiavo, Luiz A. C. A., Botha, Gert J. J. & McLaughlin, James A., ApJ, 993, 239

2024

  1. Spectroscopic Imaging of the Sun with MeerKAT: Opening a New Frontier in Solar Physics [6]
    Kansabanik, Devojyoti, Mondal, Surajit, Oberoi, Divya, Chibueze, James O., Engelbrecht, N. E., Strauss, R. D., Kontar, E. P., Botha, G. J. J., Steyn, P. J. & Nel, Amoré E., ApJ, 961, 96
  2. Self-similar Solutions of Oscillatory Reconnection: Parameter Study of Magnetic Field Strength and Background Temperature [4]
    Schiavo, Luiz A. C. A., Botha, Gert J. J. & McLaughlin, James A., ApJ, 975, 10
  3. Identifying Coronal Sources of L1 Solar Wind Disturbances Using the Fisk Heliospheric Magnetic Field and Potential Field Extrapolations during Three Solar Minima [3]
    Steyn, P. J., Johnson, D., Botha, G. J. J. & Régnier, S., ApJ, 966, 77
  4. The Effect of Resistivity on the Periodicity of Oscillatory Reconnection [6]
    Talbot, Jordan, McLaughlin, James A., Botha, Gert J. J. & Hancock, Mark, ApJ, 965, 133

2023

  1. Oscillatory Reconnection as a Plasma Diagnostic in the Solar Corona [18]
    Karampelas, Konstantinos, McLaughlin, James A., Botha, Gert J. J. & Régnier, Stéphane, ApJ, 943, 131
  2. The Radial Variation of the Solar Wind Turbulence Spectra near the Kinetic Break Scale from Parker Solar Probe Measurements [26]
    Lotz, S., Nel, A. E., Wicks, R. T., Roberts, O. W., Engelbrecht, N. E., Strauss, R. D., Botha, G. J. J., Kontar, E. P., Pitňa, A. & Bale, S. D., ApJ, 942, 93

2022

  1. The Independence of Oscillatory Reconnection Periodicity from the Initial Pulse [13]
    Karampelas, Konstantinos, McLaughlin, James A., Botha, Gert J. J. & Régnier, Stéphane, ApJ, 933, 142
  2. Oscillatory Reconnection of a 2D X-point in a Hot Coronal Plasma [23]
    Karampelas, Konstantinos, McLaughlin, James A., Botha, Gert J. J. & Régnier, Stéphane, ApJ, 925, 195

2021

  1. Shock identification and classification in 2D magnetohydrodynamiccompressible turbulence—Orszag-Tang vortex [2]
    Snow, Benjamin John, Hillier, Andrew, Murtas, Guilia & Botha, Gert J. J., Experimental Results, 2, e35

2020

  1. A chromospheric resonance cavity in a sunspot mapped with seismology [48]
    Jess, David B., Snow, Ben, Houston, Scott J., Botha, Gert J. J., Fleck, Bernhard, Krishna Prasad, S., Asensio Ramos, Andrés, Morton, Richard J., Keys, Peter H., Jafarzadeh, Shahin, Stangalini, Marco, Grant, Samuel D. T. & Christian, Damian J., Nature Astronomy, 4, 220

2019

  1. 3D WKB solution for fast magnetoacoustic wave behaviour within a separatrix dome containing a coronal null point [5]
    McLaughlin, James A., Thurgood, Jonathan O., Botha, Gert J. J. & Wiggs, Joshua A., MNRAS, 484, 1390

2018

  1. Predictions of DKIST/DL-NIRSP Observations for an Off-limb Kink-unstable Coronal Loop [6]
    Snow, B., Botha, G. J. J., Scullion, E., McLaughlin, J. A., Young, P. R. & Jaeggli, S. A., ApJ, 863, 172
  2. Onset of 2D magnetic reconnection in the solar photosphere, chromosphere, and corona [3]
    Snow, B., Botha, G. J. J., McLaughlin, J. A. & Hillier, A., A&A, 609, A100

2017

  1. Observational Signatures of a Kink-unstable Coronal Flux Rope Using Hinode/EIS [9]
    Snow, B., Botha, G. J. J., Régnier, S., Morton, R. J., Verwichte, E. & Young, P. R., ApJ, 842, 16

2016

  1. 3D WKB solution for fast magnetoacoustic wave behaviour around an X-line [1]
    McLaughlin, J. A., Botha, G. J. J., Régnier, S. & Spoors, D. L., A&A, 591, A103

2015

  1. Statistical properties of Charney-Hasegawa-Mima zonal flows [4]
    Anderson, Johan & Botha, G. J. J., Physics of Plasmas, 22, 052305
  2. Chromospheric seismology above sunspot umbrae [18]
    Snow, B., Botha, G. J. J. & Régnier, S., A&A, 580, A107

2013

  1. Simulation of the observed coronal kink instability and its implications for the SDO/AIA [6]
    Srivastava, A. K., Botha, G. J. J., Arber, T. D. & Kayshap, P., Advances in Space Research, 52, 15

2012

  1. Formation of magnetic flux tubes in cylindrical wedge geometry [0]
    Botha, G. J. J., Rucklidge, A. M. & Hurlburt, N. E., Geophysical and Astrophysical Fluid Dynamics, 106, 701
  2. Observational Signatures of the Coronal Kink Instability with Thermal Conduction [16]
    Botha, G. J. J., Arber, T. D. & Srivastava, Abhishek K., ApJ, 745, 53

2011

  1. Nonlinear Three-dimensional Magnetoconvection around Magnetic Flux Tubes [7]
    Botha, G. J. J., Rucklidge, A. M. & Hurlburt, N. E., ApJ, 731, 108
  2. Chromospheric Resonances above Sunspot Umbrae [91]
    Botha, G. J. J., Arber, T. D., Nakariakov, V. M. & Zhugzhda, Y. D., ApJ, 728, 84
  3. Thermal conduction effects on the kink instability in coronal loops [27]
    Botha, G. J. J., Arber, T. D. & Hood, A. W., A&A, 525, A96

2009

  1. Effect of Solar Chromospheric Neutrals on Equilibrium Field Structures [29]
    Arber, T. D., Botha, G. J. J. & Brady, C. S., ApJ, 705, 1183

2008

  1. Numerical simulations of rotating axisymmetric sunspots [13]
    Botha, G. J. J., Busse, F. H., Hurlburt, N. E. & Rucklidge, A. M., MNRAS, 387, 1445

2007

  1. Reply to comment on ``Relativistic Landau resonances'' [0]
    Botha, G. J. J. & Evangelidis, E. A., Journal of Geophysical Research (Space Physics), 112, A05206
  2. Numerical simulations of sunspots [0]
    Botha, G. J. J., Rucklidge, A. M. & Hurlburt, N. E., Convection in Astrophysics (Editors: Kupka, Friedrich, Roxburgh, Ian & Chan, Kwing Lam), IAU Symposium, 239, p. 507
  3. Differential rotation and angular momentum [0]
    Botha, G. J. J. & Evangelidis, E. A., Convection in Astrophysics (Editors: Kupka, Friedrich, Roxburgh, Ian & Chan, Kwing Lam), IAU Symposium, 239, p. 451
  4. Nonaxisymmetric Instabilities of Convection around Magnetic Flux Tubes [5]
    Botha, G. J. J., Rucklidge, A. M. & Hurlburt, N. E., ApJ, 662, L27

2006

  1. Converging and diverging convection around axisymmetric magnetic flux tubes [13]
    Botha, G. J. J., Rucklidge, A. M. & Hurlburt, N. E., MNRAS, 369, 1611

2005

  1. Relativistic Landau resonances [2]
    Evangelidis, E. A. & Botha, G. J. J., Journal of Geophysical Research (Space Physics), 110, A02216

2004

  1. Cylindrical linear force-free magnetic fields with toroidal flux surfaces [3]
    Botha, G. J. J. & Evangelidis, E. A., MNRAS, 350, 375

2003

  1. A new family of solutions of the force-free field equation [4]
    Evangelidis, E. A. & Botha, G. J. J., Solar Physics, 213, 69

2001

  1. A comparison of theoretical line intensity ratios for Ni XII with extreme ultraviolet observations from the JET tokamak [2]
    Keenan, F. P., Botha, G. J. J., Matthews, A., Lawson, K. D., Bell, K. L., Ramsbottom, C. A., Coffey, I. H. & O'Mullane, M., Journal of Physics B Atomic Molecular Physics, 34, 639

2000

  1. The structure of force-free magnetic fields [2]
    Evangelidis, E. A., Vaughan, L. L. & Botha, G. J. J., Solar Physics, 193, 17
  2. Extreme ultraviolet emission lines of Nixii in laboratory and solar spectra [7]
    Keenan, F. P., Botha, G. J. J., Matthews, A., Lawson, K. D. & Coffey, I. H., MNRAS, 318, 37

1999

  1. The effect of sheared diamagnetic flow on turbulent structures generated by the Charney-Hasegawa-Mima equation [2]
    Botha, G. J. J., Haines, M. G. & Hastie, R. J., Physics of Plasmas, 6, 3838

Created on Wed Apr 22 04:33:00 2026.