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Browsing by Author "Mishra, S. K"

Browsing by Author "Mishra, S. K"

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  • Adaptive optics and its applications 
    Mohan, D; Mishra, S. K; Saha, S. K (National Institute of Science Communication and Information Resources, 2005-06)
    The adaptive optics (AO) system combines technologies that enable corrections in real time for the deleterious effects of the atmosphere allowing terrestrial telescopes to achieve their near diffraction-limit. Such a system ...
  • Evolution of Kelvin–Helmholtz Instability in the Fan-spine Topology 
    Mishra, S. K; Singh, Balveer; Srivastava, A. K; Kayshap, Pradeep; Dwivedi, B. N (IOP Publishing, 2021-12-10)
    We use multiwavelength imaging observations from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory to study the evolution of the Kelvin–Helmholtz (K–H) instability in a fan-spine magnetic field ...
  • Origin of Quasi-periodic Pulsation at the Base of a Kink-unstable Jet 
    Mishra, S. K; Sangal, Kartika; Kayshap, Pradeep; Jelinek, Petr; Srivastava, A. K; Rajaguru, S. P (American Astronomical Society, 2023-03-10)
    We studied a blowout jet that occurred at the west limb of the Sun on 2014 August 29 using high-resolution imaging/spectroscopic observations provided by the Solar Dynamics Observatory/Atmospheric Imaging Assembly and ...
  • The Prominence Driven Forced Reconnection in the Solar Corona and Associated Plasma Dynamics 
    Srivastava, A. K; Mishra, S. K; Jelínek, P (IOP Publishing, 2021-10-01)
    Using the multitemperature observations from SDO/AIA on 2019 December 30, we provide a signature of prominence driven forced magnetic reconnection in the corona and associated plasma dynamics from 09:20 UT to 10:38 UT. ...
  • Quasi-periodic spicule-like cool jets driven by Alfvén pulses 
    Singh, B; Srivastava, A. K; Sharma, K; Mishra, S. K; Dwivedi, B. N (Oxford University Press on behalf of Royal Astronomical Society, 2022-04)
    We perform a 2.5D magnetohydrodynamic simulation to gain a comprehensive understanding of the formation of spicule-like cool jets caused by initial transverse velocity pulses akin to Alfven´ pulses in the solar chromosphere. ...
  • Reconnection-generated Plasma Flows in the Quasi-separatrix Layer in Localized Solar Corona 
    Mondal, Sripan; Srivastava, Abhishek K; Mishra, S. K; Sangal, K; Kayshap, Pradeep; Guo, Yang; Pontin, David I; Uritsky, Vadim M; Ofman, Leon; Wang, Tongjiang; Yuan, Ding (American Astronomical Society, 2023-08-10)
    Multiwavelength observations of the propagating disturbances (PDs), discovered by Atmospheric Imaging Assembly (AIA) on board Solar Dynamics Observatory (SDO), are analyzed to determine their driving mechanism and physical ...

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