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Rajkumar HAJRA
Rajkumar HAJRA
Ramanujan Fellow, Indian Institute of Technology Indore, Indore 453552, Madhya Pradesh, India
Verified email at iiti.ac.in - Homepage
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
852013
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
712015
Diamagnetic region (s): structure of the unmagnetized plasma around Comet 67P/CG
P Henri, X Valličres, R Hajra, C Goetz, I Richter, KH Glassmeier, ...
Monthly Notices of the Royal Astronomical Society 469 (Suppl_2), S372-S379, 2017
542017
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
502014
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
492016
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
492015
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
492014
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
452018
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
452016
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
362020
Extreme events in geospace: Origins, predictability, and consequences
N Buzulukova
Elsevier, 2017
352017
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
312008
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
302018
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
302016
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
292015
Superposed epoch analyses of HILDCAAs and their interplanetary drivers: Solar cycle and seasonal dependences
R Hajra, E Echer, BT Tsurutani, WD Gonzalez
Journal of Atmospheric and Solar-Terrestrial Physics 121, 24-31, 2014
292014
Electrojet control of ambient ionization near the crest of the equatorial anomaly in the Indian zone
SK Chakraborty, R Hajra
Annales Geophysicae 27 (1), 93-105, 2009
292009
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), 1-11, 2015
282015
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
222018
Dynamic unmagnetized plasma in the diamagnetic cavity around comet 67P/Churyumov–Gerasimenko
R Hajra, P Henri, X Vallieres, J Moré, N Gilet, G Wattieaux, C Goetz, ...
Monthly Notices of the Royal Astronomical Society 475 (3), 4140-4147, 2018
202018
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