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Browsing by Subject "Sun: fundamental parameters"

Browsing by Subject "Sun: fundamental parameters"

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  • The Aditya-L1 mission of ISRO 
    Tripathi, Durgesh; Chakrabarty, D; Nandi, A; Prasad, B. R; Ramaprakash, A. N; Shaji, Nigar; Sankarasubramanian, K; Satheesh Thampi, R; Yadav, V. K (Cambridge University Press on behalf of International Astronomical Union, 2023)
    The Aditya-L1 is the first space-based solar observatory of the Indian Space Research Organization (ISRO). The spacecraft will carry seven payloads providing uninterrupted observations of the Sun from the first Lagrangian ...
  • Contribution of Field Strength Gradients to the Net Vertical Current of Active Regions 
    Vemareddy, P (IOP Publishing, 2017-12)
    We examined the contribution of fi eld strength gradients for the degree of net vertical current ( NVC ) neutralization in active regions ( ARs ) . We used photospheric vector magnetic fi eld observations of ...
  • Nature of helicity injection in non-erupting solar active regions 
    Vemareddy, P (Oxford University Press on behalf of Royal Astronomical Society, 2022-10)
    Using time-sequence vector magnetic field and coronal observations from Solar Dynamics Observatory, we report the observations of the magnetic field evolution and coronal activity in four emerging active regions (ARs). ...
  • Unravelling the Components of a Multi-Thermal Coronal Loop Using Magnetohydrodynamic Seismology 
    Prasad, S. K; Jess, D. B; Klimchuk, J. A; Banerjee, D (IOP Publishing, 2017-01-10)
    Coronal loops, constituting the basic building blocks of the active Sun, serve as primary targets to help understand the mechanisms responsible for maintaining multi-million Kelvin temperatures in the solar and stellar ...
  • Very fast helicity injection leading to critically stable state and large eruptive activity in solar active region NOAA 12673 
    Vemareddy, P (IOP Publishing, 2019-02-20)
    Using the photospheric magnetic and coronal observations of Solar Dynamics Observatory, we studied the buildup and eruption of coronal nonpotential magnetic structure in emerging active region (AR) 12673. The velocity field ...

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