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pro vyhledávání: '"Vanninathan, Kamalam"'
We study the coronal dimming caused by the fast halo CME (deprojected speed v =1250 km s $^{-1})$ associated with the C3.7 two-ribbon flare on 2012 September 27, using Hinode/EIS spectroscopy and SDO/AIA Differential Emission Measure (DEM) analysis.
Externí odkaz:
http://arxiv.org/abs/1906.01517
Autor:
Dissauer, Karin, Veronig, Astrid M., Temmer, Manuela, Podladchikova, Tatiana, Vanninathan, Kamalam
Coronal dimmings, localized regions of reduced emission in the EUV and soft X-rays, are interpreted as density depletions due to mass loss during the CME expansion. They contain crucial information on the early evolution of CMEs low in the corona. Fo
Externí odkaz:
http://arxiv.org/abs/1807.05056
Coronal mass ejections (CMEs) are often associated with coronal dimmings, i.e. transient dark regions that are most distinctly observed in Extreme Ultra-violet (EUV) wavelengths. Using Atmospheric Imaging Assembly (AIA) data, we apply Differential Em
Externí odkaz:
http://arxiv.org/abs/1802.06152
Autor:
Dissauer, Karin, Veronig, Astrid M., Temmer, Manuela, Podladchikova, Tatiana, Vanninathan, Kamalam
Coronal dimmings are distinct phenomena associated to coronal mass ejections (CMEs). The study of coronal dimmings and the extraction of their characteristic parameters helps us to obtain additional information of CMEs, especially on the initiation a
Externí odkaz:
http://arxiv.org/abs/1802.03185
Autor:
Long, David M., Bloomfield, D. Shaun, Chen, Peng-Fei, Downs, Cooper, Gallagher, Peter T., Kwon, Ryun Young, Vanninathan, Kamalam, Veronig, Astrid M., Vourlidas, Angelos, Vrsnak, Bojan, Warmuth, Alexander, Zic, Tomislav
For almost 20 years the physical nature of globally propagating waves in the solar corona (commonly called "EIT waves") has been controversial and subject to debate. Additional theories have been proposed over the years to explain observations that d
Externí odkaz:
http://arxiv.org/abs/1611.05505
Autor:
Dissauer, Karin, Temmer, Manuela, Veronig, Astrid M., Vanninathan, Kamalam, Magdalenić, Jasmina
We investigate the high-speed ($v >$ 1000 km s$^{-1}$) extreme-ultraviolet (EUV) wave associated with an X1.2 flare and coronal mass ejection (CME) from NOAA active region 11283 on 2011 September 6 (SOL2011-09-06T22:12). This EUV wave features peculi
Externí odkaz:
http://arxiv.org/abs/1607.05961
Autor:
Vanninathan, Kamalam
In this thesis we present a study of chromospheric features and their role in coupling the different layers of the solar atmosphere. We investigated the contribution of spicules, the most dominant feature in the chromosphere, to coronal heating as we
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.603480
Autor:
Su, Yang, Gömöry, Peter, Veronig, Astrid, Temmer, Manuela, Wang, Tongjiang, Vanninathan, Kamalam, Gan, Weiqun, Li, Youping
Su et al. 2012 proposed a new explanation for filament formation and eruption, where filament barbs are rotating magnetic structures driven by underlying vortices on the surface. Such structures have been noticed as tornado-like prominences when they
Externí odkaz:
http://arxiv.org/abs/1312.5226
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