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Browsing by Author "Srivastava, Abhishek K"

Browsing by Author "Srivastava, Abhishek K"

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  • Deciphering Solar Magnetic Activity: 140 Years of the ‘Extended Solar Cycle’ – Mapping the Hale Cycle 
    McIntosh, Scott W; Leamon, Robert J; Egeland, Ricky; Dikpati, Mausumi; Altrock, Richard C; Banerjee, D; Chatterjee, Subhamoy; Srivastava, Abhishek K; Velli, Marco (Springer, 2021-12)
    We investigate the occurrence of the “extended solar cycle” (ESC) as it occurs in a host of observational data spanning 140 years. Investigating coronal, chromospheric, photospheric, and interior diagnostics, we develop ...
  • The extended solar cycle: muddying the waters of solar/stellar dynamo modeling or providing crucial observational constraints? 
    Srivastava, Abhishek K; McIntosh, Scott W; Arge, N; Banerjee, D; Dikpati, Mausumi; Dwivedi, Bhola N; Guhathakurta, Madhulika; Karak, B. B; Leamon, Robert J; Matthew, Shibu K; Munoz-Jaramillo, Andres; Nandy, D; Norton, Aimee; Upton, L; Chatterjee, S; Rakesh, M; Yamini K. Rao; Rahul Yadav (Frontiers, 2018-11-22)
    "In 1844 Schwabe discovered that the number of sunspots increased and decreased over a period of about 11 years, that variation became known as the sunspot cycle. Almost eighty years later, Hale described the nature of the ...
  • 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 ...
  • Signature of extended solar cycles as detected from Ca ii K synoptic maps of Kodaikanal and Mount Wilson Observatory 
    Chatterjee, Subhamoy; Banerjee, D; McIntosh, S.W; Leamon, Robert J; Dikpati, Mausumi; Srivastava, Abhishek K; Bertello, L (IOP Publishing, 2019-03-20)
    In recent years there has been a resurgence of the study of extended solar cycles (ESCs) through observational proxies mainly in extreme ultraviolet. But most of them are limited only to the space-based era covering only ...

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