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ALMA and IRIS Obser...
ALMA and IRIS Observations of the Solar Chromosphere. I. An On-disk Type II Spicule
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Chintzoglou, Georgios (author)
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De Pontieu, Bart (author)
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Martínez-Sykora, Juan (author)
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Hansteen, Viggo (author)
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- de la Cruz Rodríguez, Jaime (author)
- Stockholms universitet,Institutionen för astronomi
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Szydlarski, Mikolaj (author)
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Jafarzadeh, Shahin (author)
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Wedemeyer, Sven (author)
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Bastian, Timothy S. (author)
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Dalda, Alberto Sainz (author)
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(creator_code:org_t)
- 2021-01-12
- 2021
- English.
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In: Astrophysical Journal. - : American Astronomical Society. - 0004-637X .- 1538-4357. ; 906:2
- Related links:
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https://iopscience.i...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Subject headings
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- We present observations of the solar chromosphere obtained simultaneously with the Atacama Large Millimeter/submillimeter Array (ALMA) and the Interface Region Imaging Spectrograph. The observatories targeted a chromospheric plage region of which the spatial distribution (split between strongly and weakly magnetized regions) allowed the study of linear-like structures in isolation, free of contamination from background emission. Using these observations in conjunction with a radiative magnetohydrodynamic 2.5D model covering the upper convection zone all the way to the corona that considers nonequilibrium ionization effects, we report the detection of an on-disk chromospheric spicule with ALMA and confirm its multithermal nature.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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