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Browsing by Author "Hajra, R."

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Electromagnetic cyclotron waves in the dayside subsolar outer magnetosphere generated by enhanced solar wind pressure: EMIC wave coherency

Remya, B.; Tsurutani, B.T.; Reddy, R.V.; Lakhina, G.S.; Hajra, R. (JGR, 120, 7536–7551, doi: 10.1002/2015JA021327, 2015)

Electromagnetic ion (proton) cyclotron (EMIC) waves and whistler mode chorus are simultaneously detected in the Earth’s dayside subsolar outer magnetosphere. The observations were made near the magnetic equator 3.1∘ –1.5∘ ...
Evolution of equatorial irregularities under varying electrodynamical conditions: A multitechnique case study from Indian longitude zone

Hajra, R.; Chakraborty, S.K.; Mazumdar, S.; Alex, S. (2012)

A comprehensive multitechnique study on the postsunset evolutions of equatorial ionization anomaly (EIA) and equatorial plasma density irregularities in the context of the varying electrodynamical conditions under normal ...
Heliospheric plasma sheet (HPS) impingement onto the magnetosphere as a cause of relativistic electron dropouts (REDs) via coherent EMIC wave scattering with possible consequences for climate change mechanisms

Tsurutani, B.T.; Hajra, R.; Tanimori, T.; Takada, A.; Bhanu, R.; Mannucci, A.J.; Lakhina, G.S.; Kozyra, J.U.; Shiokawa, K.; Lee, L.C.; Echer, E.; Reddy, R.V.; Gonzalez, W.D. (2016)

A new scenario is presented for the cause of magnetospheric relativistic electron decreases (REDs) and potential effects in the atmosphere and on climate. High-density solar wind heliospheric plasmasheet (HPS) events ...

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