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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F10%3APU88265%21RIV11-GA0-26210___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Using observations of the corona taken during the total solar eclipses of 2006 March 29 and 2008 August 1 in broadband white light and in narrow bandpass filters centered at Fe X 637.4 nm, Fe XI 789.2 nm, Fe XIII 1074.7 nm, and Fe XIV 530.3 nm, we show that prominences observed off the solar limb are enshrouded in hot plasmas within twisted magnetic structures. These shrouds, which are commonly referred to as cavities in the literature, are clearly distinct from the overlying arch-like structures that form the base of streamers. The existence of these hot shrouds had been predicted by model studies dating back to the early 1970s, with more recent studies implying their association with twisted magnetic flux ropes. The eclipse observations presented here, which cover a temperature range of 0.9 to 2E6 K, are the first to resolve the long-standing ambiguity associated with the temperature and magnetic structure of prominence cavities. Using observations of the corona taken during the total solar eclipses of 2006 March 29 and 2008 August 1 in broadband white light and in narrow bandpass filters centered at Fe X 637.4 nm, Fe XI 789.2 nm, Fe XIII 1074.7 nm, and Fe XIV 530.3 nm, we show that prominences observed off the solar limb are enshrouded in hot plasmas within twisted magnetic structures. These shrouds, which are commonly referred to as cavities in the literature, are clearly distinct from the overlying arch-like structures that form the base of streamers. The existence of these hot shrouds had been predicted by model studies dating back to the early 1970s, with more recent studies implying their association with twisted magnetic flux ropes. The eclipse observations presented here, which cover a temperature range of 0.9 to 2E6 K, are the first to resolve the long-standing ambiguity associated with the temperature and magnetic structure of prominence cavities.
dcterms:title
Total Solar Eclipse Observations of Hot Prominence Shrouds Total Solar Eclipse Observations of Hot Prominence Shrouds
skos:prefLabel
Total Solar Eclipse Observations of Hot Prominence Shrouds Total Solar Eclipse Observations of Hot Prominence Shrouds
skos:notation
RIV/00216305:26210/10:PU88265!RIV11-GA0-26210___
n3:aktivita
n15:P
n3:aktivity
P(GA205/09/1469)
n3:cisloPeriodika
2
n3:dodaniDat
n14:2011
n3:domaciTvurceVysledku
n11:8961905
n3:druhVysledku
n17:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
293087
n3:idVysledku
RIV/00216305:26210/10:PU88265
n3:jazykVysledku
n5:eng
n3:klicovaSlova
sun, corona, prominence, image processing
n3:klicoveSlovo
n4:corona n4:sun n4:image%20processing n4:prominence
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[868B33720395]
n3:nazevZdroje
ASTROPHYSICAL JOURNAL
n3:obor
n9:BN
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
8
n3:projekt
n8:GA205%2F09%2F1469
n3:rokUplatneniVysledku
n14:2010
n3:svazekPeriodika
2010 (719)
n3:tvurceVysledku
Scholl, Isabelle Druckmüller, Miloslav Morgan, Huw Daw, Adrian Rušin, Vojtěch Arndt, Martina Habbal, Shadia Rifai Johnson, Judd
s:issn
0004-637X
s:numberOfPages
8
n16:organizacniJednotka
26210