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Browsing by Author "Teriaca, L"

Browsing by Author "Teriaca, L"

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  • Accelerating waves in polar coronal holes as seen by EIS and SUMER 
    Gupta, G. R; Banerjee, D; Teriaca, L; Imada, S; Solanki, S (IOP Science, 2010-07-20)
    We present EIS/Hinode and SUMER/SOHO observations of propagating disturbances detected in coronal lines in inter-plume and plume regions of a polar coronal hole. The observation was carried out on 2007 November 13 as part ...
  • Characteristics of Polar Coronal Hole Jets 
    Chandrashekhar, K; Bemporad, A; Banerjee, D; Gupta, G. R; Teriaca, L (EDP Sciences, 2014-01)
    Context. High spatial- and temporal-resolution images of coronal hole regions show a dynamical environment where mass flows and jets are frequently observed. These jets are believed to be important for the coronal heating ...
  • Multipoint remote and in situ observations of interplanetary coronal mass ejection structures during 2011 and associated geomagnetic storms 
    Mishra, Wageesh; Dave, Kunjal; Srivastava, N; Teriaca, L (Oxford University Press on behalf of Royal Astronomical Society, 2021-09)
    We present multipoint remote and in situ observations of interplanetary coronal mass ejection (ICME) structures during the year 2011. The selected ICMEs arrived at Earth on 2011 March 11 and 2011 August 6, and led to ...
  • Propagating disturbances along fan-like coronal loops in an active region 
    Mandal, Sudip; Samanta, T; Banerjee, D; Krishna Prasad, S; Teriaca, L (IOP Publishing, 2015-11)
    Propagating disturbances are often observed in active region fan-like coronal loops. They were thought to be due to slow mode magnetohydrodynamic waves based on some of the observed properties. However, recent studies ...
  • Propagating MHD waves in coronal holes 
    Banerjee, D; Teriaca, L; Gupta, G. R (Springer, 2011-07)
    Coronal holes are the coolest and darkest regions of the upper solar atmosphere, as observed both on the solar disk and above the solar limb. Coronal holes are associated with rapidly expanding open magnetic fields and the ...
  • Propagating waves in polar coronal holes as seen by SUMER & EIS 
    Banerjee, D; Teriaca, L; Gupta, G. R; Imada, S; Stenborg, G; Solanki, S. K (EDP Sciences, 2009-06)
    Context: To study the dynamics of coronal holes and the role of waves in the acceleration of the solar wind, spectral observations were performed over polar coronal hole regions with the SUMER spectrometer on SoHO and the ...
  • Spectroscopic observations of propagating disturbances in a polar coronal hole: evidence of slow magneto-acoustic waves 
    Gupta, G. R; Teriaca, L; Marsch, E; Solanki, S. K; Banerjee, D (EDP Sciences, 2012-10)
    Aims. We focus on detecting and studying quasi-periodic propagating features that have been interpreted in terms of both slow magneto-acoustic waves and of high-speed upflows. Methods. We analyzed long-duration spectroscopic ...
  • Transition region small-scale dynamics as seen by SUMER on SOHO 
    Teriaca, L; Banerjee, D; Falchi, A; Doyle, J. G; Madjarska, M. S (EDP Sciences, 2004-12)
    High spectral, spatial and temporal resolution UV observations of the quiet Sun transition region show a highly structured and dynamical environment where transient supersonic flows are commonly observed. Strongly non-Gaussian ...

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