60 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of MumbaiIN8 papers
- Geological Survey of IndiaIN3 papers
- Goddard Space Flight CenterUS3 papers
- Heliophysics Science DivisionUS2 papers
- Institute of Space and Astronautical ScienceJP2 papers
- Kyoto UniversityJP2 papers
- National Institute for AstrophysicsIT2 papers
- Osservatorio Astrofisico di TorinoIT2 papers
- The University of TokyoJP2 papers
- University Corporation for Atmospheric ResearchUS2 papers
- British Antarctic SurveyGB1 paper
- Center for Excellence in Basic SciencesIN1 paper
17 papers
Episodic Plasma Flows and Coronal Brightenings in an Arch Filament System Observed with SUNRISE III
Sergio Javier González Manrique, Juan Carlos Trelles Arjona, Christoph Kuckein +43
Emerging flux regions (EFRs) transport magnetic flux and release energy in the solar atmosphere, often hosting arch filament systems (AFSs). We present high-resolution observations…
First analysis of in-situ observation of surface Alfvén waves in ICME flux rope
Anil Raghav, Omkar Dhamane, Zubair Shaikh +8
Alfvén waves (AWs) are inevitable in space and astrophysical plasma. Their crucial role in various physical processes, occurring in plasma, has triggered intense research in solar-…
Space Plasma Physics: A Review
Bruce T. Tsurutani, Gary P. Zank, Veerle J. Sterken +13
Owing to the ever-present solar wind, our vast solar system is full of plasmas. The turbulent solar wind, together with sporadic solar eruptions, introduces various space plasma pr…
Observation of Alfven wave in ICME-HSS interaction region
Omkar Dhamane, Anil Raghav, Zubair Shaikh +7
The Alfvén wave (AW) is the most common fluctuation present within the emitted solar wind from the Sun. Moreover, the interaction between interplanetary coronal mass ejection (ICME…
Barometric Pressure Correction to Gamma-ray Observations and its Energy Dependence
Gauri Datar, Geeta Vichare, Selvaraj Chelliah
Cosmic rays (CRs) have been studied extensively in the last century to understand the processes in the universe as well as in the solar system. In today's satellite era, although m…
Causes of the Diurnal Variation observed in -ray Spectrum using NaI (Tl) Detector
Gauri Datar, Geeta Vichare, C. Selvaraj +2
Present paper studies the -ray spectrum observed using NaI(Tl) scintillation detector over a year. The paper reports the presence of a distinct diurnal pattern in the total numb…
Low-Latitude Aurorae during the Extreme Space Weather Events in 1859
Hisashi Hayakawa, Yusuke Ebihara, David P. Hand +4
The Carrington storm (September 1/2, 1859) is one of the largest magnetic storms ever observed and it has caused global auroral displays in low-latitude areas, together with a seri…
Torsional Alfven wave embedded ICME magnetic cloud and corresponding geomagnetic storm
Anil N. Raghav, Ankita Kule, Ankush Bhaskar +3
The energy transfer during the interaction of large-scale solar wind structure and the Earth's magnetosphere is the chronic issue in space-weather studies. To understand this, rese…
Prediction of SYMH and ASYH indices for geomagnetic storms of solar cycle 24 including recent St. Patrick's day, 2015 storm using NARX neural network
Ankush Bhaskar, Geeta Vichare
Artificial Neural Network (ANN) has proven to be very successful in forecasting variety of irregular magnetospheric/ionospheric processes like geomagnetic storms and substorms. SYM…
Presence of Turbulent and Ordered Local Structure within ICME shock-sheath and its Contribution in Forbush decrease
Zubair Shaikh, Anil Raghav, Ankush Bhaskar
The transient interplanetary disturbances evoke short time cosmic ray flux decrease which is known as Forbush decrease. The traditional model and understanding of Forbush decrease…
Does Local Structure Within Shock-sheath and Magnetic Cloud Affect Cosmic Ray Decrease?
Anil Raghav, Zubair Shaikh, Ankush Bhaskar +2
The sudden short duration decrease in cosmic ray flux is known as Forbush decrease which is mainly caused by interplanetary disturbances. Generally accepted view is that the first…
Relative contribution of the magnetic field barrier and solar wind speed in ICME-associated Forbush decreases
Ankush Bhaskar, Prasad Subramanian, Geeta Vichare
We study 50 cosmic ray Forbush decreases (FDs) from the Oulu neutron monitor data during 1997-2005 that were associated with Earth-directed interplanetary coronal mass ejections (I…
Spatial frequencies associated with the latitudinal structures of ionospheric currents seen by CHAMP satellite
Neethal Thomas, Geeta Vichare, A. K. Sinha
The CHAMP magnetic field variations during international quiet days of low solar activity period 2008-2009 are investigated. The present paper reports the existence of frequency-pe…
Impact of 15 Jan 2010 annular solar eclipse on the equatorial and low latitude ionosphere over Indian region from Magnetometer, Ionosonde and GPS observations
Sampad Kumar Panda, Shirish S. Gedam, Girija Rajaram +2
The annular eclipse of Jan 15, 2010 over southern India was studied with a network of multi-instrumental observations consisting magnetometer, ionosonde and GPS receivers. By selec…
Lunar eclipse induces disturbance in the lunar exosphere
Anil Raghav, Ankush Bhaskar, Virendra Yadav +3
Given the renewed scientific interest in lunar exploration missions, complete understanding of lunar near surface environment and its exosphere under different conditions is of par…
Unexpected enhancement in secondary cosmic ray flux during the total lunar eclipse of December 10, 2011
Anil Raghav, Ankush Bhaskar, Virendra Yadav +17
Temporal variation of secondary cosmic rays (SCR) flux was measured during the total lunar eclipse on December 10, 2011 and the subsequent full moon on January 8, 2012. The measure…
Unique Observations of a Geomagnetic SI^+ -- SI^- Pair: Solar Sources and Associated Solar Wind Fluctuations
R. G. Rastogi, P. Janardhan, K. Ahmed +2
The paper describes the occurrence of a pair of oppositely directed sudden impulses (SI), in the geomagnetic field (X), at ground stations, called SI -- SI pairs…