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Rajkumar HAJRA
Rajkumar HAJRA
Specially Appointed Professor (特任教授), University of Science and Technology of China (USTC), Hefei
Verified email at ustc.edu.cn
Title
Cited by
Cited by
Year
Solar cycle dependence of High‐Intensity Long‐Duration Continuous AE Activity (HILDCAA) events, relativistic electron predictors?
R Hajra, E Echer, BT Tsurutani, WD Gonzalez
Journal of Geophysical Research: Space Physics 118 (9), 5626-5638, 2013
1072013
Extremely intense (SML≤− 2500 nT) substorms: isolated events that are externally triggered?
BT Tsurutani, R Hajra, E Echer, JW Gjerloev
Annales Geophysicae 33 (5), 519-524, 2015
922015
Relativistic (E> 0.6,> 2.0, and> 4.0 MeV) electron acceleration at geosynchronous orbit during high-intensity, long-duration, continuous AE activity (HILDCAA) events
R Hajra, BT Tsurutani, E Echer, WD Gonzalez, O Santolik
The Astrophysical Journal 799 (1), 39, 2015
692015
Heliospheric plasma sheet (HPS) impingement onto the magnetosphere as a cause of relativistic electron dropouts (REDs) via coherent EMIC wave scattering with possible …
BT Tsurutani, R Hajra, T Tanimori, A Takada, B Remya, AJ Mannucci, ...
Journal of Geophysical Research: Space Physics 121 (10), 10,130-10,156, 2016
672016
Diamagnetic region (s): structure of the unmagnetized plasma around Comet 67P/CG
P Henri, X Vallières, R Hajra, C Goetz, I Richter, KH Glassmeier, ...
Monthly Notices of the Royal Astronomical Society 469 (Suppl_2), S372-S379, 2017
652017
Supersubstorms (SML<− 2500 nT): Magnetic storm and solar cycle dependences
R Hajra, BT Tsurutani, E Echer, WD Gonzalez, JW Gjerloev
Journal of Geophysical Research: Space Physics 121 (8), 7805-7816, 2016
632016
Relativistic electron acceleration during high‐intensity, long‐duration, continuous AE activity (HILDCAA) events: Solar cycle phase dependences
R Hajra, BT Tsurutani, E Echer, WD Gonzalez
Geophysical Research Letters 41 (6), 1876-1881, 2014
602014
The physics of space weather/solar-terrestrial physics (STP): what we know now and what the current and future challenges are
BT Tsurutani, GS Lakhina, R Hajra
Nonlinear Processes in Geophysics 27 (1), 75-119, 2020
582020
Solar wind‐magnetosphere energy coupling efficiency and partitioning: HILDCAAs and preceding CIR storms during solar cycle 23
R Hajra, E Echer, BT Tsurutani, WD Gonzalez
Journal of Geophysical Research: Space Physics 119 (4), 2675-2690, 2014
582014
Plasma source and loss at comet 67P during the Rosetta mission
KL Heritier, M Galand, P Henri, FL Johansson, A Beth, AI Eriksson, ...
Astronomy & Astrophysics 618, A77, 2018
552018
Interplanetary shocks inducing magnetospheric supersubstorms (SML<− 2500 nT): Unusual auroral morphologies and energy flow
R Hajra, BT Tsurutani
The Astrophysical Journal 858 (2), 123, 2018
492018
Extreme events in geospace: Origins, predictability, and consequences
N Buzulukova
Elsevier, 2017
472017
The Interplanetary and Magnetospheric causes of Geomagnetically Induced Currents (GICs) > 10 A in the Mäntsälä Finland Pipeline: 1999 through 2019
BT Tsurutani, R Hajra
Journal of Space Weather and Space Climate 11, 32, 2021
422021
The Interplanetary and Magnetospheric causes of Geomagnetically Induced Currents (GICs) > 10 A in the Mäntsälä Finland Pipeline: 1999 through 2019 – Erratum
BT Tsurutani, R Hajra
Journal of Space Weather and Space Climate 11, 32, 2021
422021
An empirical model of ionospheric total electron content (TEC) near the crest of the equatorial ionization anomaly (EIA)
R Hajra, SK Chakraborty, BT Tsurutani, A DasGupta, E Echer, CGM Brum, ...
Journal of Space Weather and Space Climate 6, A29, 2016
412016
The complex space weather events of 2017 September
R Hajra, BT Tsurutani, GS Lakhina
The Astrophysical Journal 899 (1), 3, 2020
392020
Electromagnetic cyclotron waves in the dayside subsolar outer magnetosphere generated by enhanced solar wind pressure: EMIC wave coherency
B Remya, BT Tsurutani, RV Reddy, GS Lakhina, R Hajra
Journal of Geophysical Research: Space Physics 120 (9), 7536-7551, 2015
372015
Solar control of ambient ionization of the ionosphere near the crest of the equatorial anomaly in the Indian zone
SK Chakraborty, R Hajra
Annales Geophysicae 26 (1), 47-57, 2008
362008
Cometary plasma response to interplanetary corotating interaction regions during 2016 June–September: a quantitative study by the Rosetta Plasma Consortium
R Hajra, P Henri, M Myllys, KL Héritier, M Galand, C Simon Wedlund, ...
Monthly Notices of the Royal Astronomical Society 480 (4), 4544-4556, 2018
322018
Relativistic electron acceleration during HILDCAA events: are precursor CIR magnetic storms important?
R Hajra, BT Tsurutani, E Echer, WD Gonzalez, CGM Brum, LEA Vieira, ...
Earth, Planets and Space 67, 1-11, 2015
322015
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