Ministry of Education
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Dr Rajkumar Hajra

vidwan id: 165573
Male

,

Orchid Icon 0000-0003-0447-1531 Google Scholar Icon 23491818900 Researcher Icon M-3660-2019 Google Scholar Icon gxcbU_EAAAAJ

Expertise

  • Astronomy and Astrophysics

Publications

Total Articles 76
Books 0
Proceedings 0

Publications

No publication activity to display at the moment.

Scopus

Citations 890
h-index 18

CrossRef

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Citations 1040
h-index 20
Google Scholar

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Professional Recognition

2019

Travel grant

National Science Foundation (NSF), USA
2018

Ramanujan Fellowship

Science & Engineering Research Board (SERB), Department of Science & Technology (DST), Government of
2018

Travel grant

National Science Foundation (NSF), USA
2017

Postdoctoral Research Fellowship

Centre National d’Etudes Spatials (CNES), France
2016

Postdoctoral Research Fellowship

Agence Nationale de la Recherche (ANR), France
2015

Bolsa Estágio de Pesquisa no Exterior (BEPE)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Brazil
2014

Bolsa Estágio de Pesquisa no Exterior (BEPE)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Brazil
2012

Postdoctoral Research Fellowship

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Brazil
2009

Junior Research Fellowship

Indian Space Research Organization (ISRO), Government of India, India
2006

Junior Research Fellowship

Indian Space Research Organization (ISRO), Government of India, India

Community & Membership

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Bio

Space weather; Geomagnetic storms and substorms; Earth's radiation belts; Solar wind-magnetosphere-ionosphere coupling; Ionospheric dynamics and modeling; Ionospheric irregularities; Cometary plasma dynamics; Planetary plasma dynamics

Personal Details

  • Male
  • 96 Jinzhai Road, Hefei
Ph.D.
Other Institute 2012
M.Sc.
Other Institute 2005
B.Sc.
Other Institute 2003
Ramanujan Fellow Nov 2019 – Nov 2022
Indian Institute of Technology Indore | Department of Astronomy, Astrophysics and Space Engineering
Ramanujan Fellow Nov 2018 – Oct 2019
National Atmospheric Research Laboratory Gadanki
Post-Doctoral Fellow Mar 2016 – Oct 2018
CNRS/LATMOS, Paris, France
Post-Doctoral Fellow Aug 2012 – Sep 2015
ABV Indian Institute of Information Technology & Management, Gwalior

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Organisation (0)

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Co-Authors (2)

Chinmaya

Dr Chinmaya Nayak

DST-Indian Institute of Geomagnetism

Remya

Dr Remya Bhanu

DST-Indian Institute of Geomagnetism

Scholarly Work

Investigation of Space Weather Effects on the Equatorial Ionosphere over Indian Region

Funding Agency: Department of Science and Technology, Govt. of India

Ramanujan Fellow

1.2 Cr

2018 - Ongoing

Ongoing
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Scholarly Publications

The Structure and Microstructure of Rising-Tone Chorus With Frequencies Crossing at f ∼ 0.5 f<inf>ce</inf>

Open Access
Article
Year: 2022. Volume: 127 , Issue: 8 .
Authors: Chen R.;Tsurutani B.T.;Gao X.;Lu Q.;Chen H.;Lakhina G.S.;Hajra R.
DOI 10.1029/2022JA030438
2

A comparative study on geoeffective and non-geoeffective corotating interaction regions

Open Access
Article
Advances in Space Research. Year: 2022.
Authors: Sunny J.V.;Nair A.G.;Babu M.;Hajra R.
DOI 10.1016/j.asr.2022.09.051

The Interplanetary and Magnetospheric causes of Geomagnetically Induced Currents (GICs) 10 A in the Mantsa la Finland Pipeline: 1999 through 2019

Open Access
Article
Journal of Space Weather and Space Climate. Year: 2021. Volume: 11 .
Authors: Tsurutani B.T.;Hajra R.
DOI 10.1051/swsc/2021001
14 6

Variation of the Interplanetary Shocks in the Inner Heliosphere

Open Access
Article
Year: 2021. Volume: 917 , Issue: 2 .
Authors: Hajra R.
DOI 10.3847/1538-4357/ac0897
4 4

Seasonal features of geomagnetic activity: A study on the solar activity dependence

Open Access
Article
Annales Geophysicae. Year: 2021. Volume: 39 , Issue: 5 , Pages: 929-943 .
Authors: Franco A.M.D.S.;Hajra R.;Echer E.;Bolzan M.J.A.
DOI 10.5194/angeo-39-929-2021
6 1

Long-Term Variations of the Geomagnetic Activity: A Comparison Between the Strong and Weak Solar Activity Cycles and Implications for the Space Climate

Open Access
Article
Year: 2021. Volume: 126 , Issue: 4 .
Authors: Hajra R.;Marques de Souza Franco A.;Echer E.;José Alves Bolzan M.
DOI 10.1029/2020JA028695
11 9

Erratum: The Interplanetary and Magnetospheric causes of Geomagnetically Induced Currents (GICs) &gt; 10 A in the Mäntsä lä Finland Pipeline: 1999 through 2019(J. Space Weather Space Clim. (2021) 11 (23) DOI: 10.1051/swsc/2021001)

Open Access
Erratum
Journal of Space Weather and Space Climate. Year: 2021. Volume: 11 .
Authors: Tsurutani B.T.;Hajra R.
DOI 10.1051/swsc/2021015
1 2

Weakest Solar Cycle of the Space Age: A Study on Solar Wind–Magnetosphere Energy Coupling and Geomagnetic Activity

Open Access
Article
Solar Physics. Year: 2021. Volume: 296 , Issue: 2 .
Authors: Hajra R.
DOI 10.1007/s11207-021-01774-9
17 4