Results 71 to 80 of about 1,264 (196)

Near infrared observations of solar chromosphere

open access: yes, 2015
Includes bibliographical references (leaves 30-31)The solar chromosphere is an excellent medium to explore the intricate interplay between plasma and magnetic fields in a regime where both are relevant and alternately dominant.
Tejomoortula, Usha Sree
core  

Structure of sunspot light bridges in the chromosphere and transition region

open access: yes, 2018
Context. Light bridges (LBs) are elongated structures with enhanced intensity embedded in sunspot umbra and pores. Aims. We studied the properties of a sample of 60 LBs observed with the Interface Region Imaging Spectrograph (IRIS ...
R. Rezaei
core   +1 more source

Propagation and damping of MHD waves in the solar atmosphere

open access: yes, 2015
Quasi-periodic disturbances have been observed in the outer solar atmosphere for many years. Although first interpreted as upflows (Schrijver et al.
Kiddie, Greg
core  

Calcium Bright Knots and the Formation of Chromospheric Anemone Jets on the Sun

open access: yesThe Astrophysical Journal Letters
Abstract Space-based observations show that the solar atmosphere from the solar chromosphere to the solar corona is filled with small-scale jets and is linked with small-scale explosions. These jets may be produced by mechanisms similar to those of large-scale flares and such jets may be related to the heating of the corona and ...
Kunwar Alkendra Pratap Singh   +2 more
openaire   +3 more sources

Comparison of the solar photosphere and chromosphere based on their observations and images from the Internet

open access: yes, 2012
Popis základních fyzikálních jevů na Slunci.Metody pozorování fotosféry a chromosféry Slunce. Společné jevy v chromosféře a fotosféře Slunce.Návod na pozorovací protokoly. Zpracování dat z pozorování.
Toman, Jakub
core  

Near infrared observations of solar chromosphere

open access: yes, 2009
The solar chromosphere is an excellent medium to explore the intricate interplay between plasma and magnetic fields in a regime where both are relevant and alternately dominant.
Tejomoortula, Usha Sree
core  

On the Origin of the Magnetic Energy in the Quiet Solar Chromosphere

open access: yes, 2019
The presence of magnetic field is crucial in the transport of energy through the solar atmosphere. Recent ground-based and space-borne observations of the quiet Sun have revealed that magnetic field accumulates at photospheric heights, via a local dynamo
Martinez-Sykora, Juan   +5 more
core   +1 more source

Dynamics of magnetized vortex tubes in the solar chromosphere [PDF]

open access: yes, 2012
We use three-dimensional radiative MHD simulations to investigate the formation and dynamics of small-scale (less than 0.5 Mm in diameter) vortex tubes spontaneously generated by turbulent convection in quiet-Sun regions with an initially weak (10 G ...
Kitiashvili I.   +3 more
core  

An In-depth Analysis of Quiet-Sun IRIS Brightenings [PDF]

open access: yes
Small-scale brightenings are ubiquitous, dynamic, and energetic phenomena found in the chromosphere. An advanced filter-detection algorithm applied to high-resolution observations from the Interface Region Imaging Spectrograph enables the detection of ...
Kuridze, David   +5 more
core   +1 more source

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