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First Results from EIT
Clette, Frédéric; Delaboudiniere, J.-P.; Artzner, G. E. et al.
1997In 1st Advances in Solar Physics Euroconference. Advances in Physics of Sunspots
Peer reviewed
 

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Keywords :
SOLAR CORONA; EXTREME ULTRAVIOLET; SOHO; EIT
Abstract :
[en] The Extreme-UV Imaging telescope has already produced more than 15000 wide-field images of the corona and transition region, on the disk and up to 1.5R_o above the limb, with a pixel size of 2.6\arcsec. By using four different emission lines, it provides the global temperature distribution in the quiet corona, in the range 0.5 to 3*E(6) K. Its excellent sensitivity and wide dynamic range allow unprecedented views of low emission features, even inside coronal holes. Those so-called ``quiet'' regions actually display a wide range of dynamical phenomena, in particular at small spatial scales and at time scales going down to only a few seconds, as revealed by all EIT time sequences of full- or partial-field images. The initial results presented here demonstrate the importance of this wide-field imaging experiment for a good coordination between SOHO and ground-based solar telescopes, as well as for science planning.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Clette, Frédéric;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Delaboudiniere, J.-P.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Artzner, G. E.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Brunaud, J.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Gabriel, Alan H.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Hochedez, Jean-François;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Millier, F.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Song, X. Y.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Au, B.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Dere, K. P.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Howard, Russell A.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Kreplin, R.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Michels, D. J.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Moses, J. D.;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Defise, Jean-Marc ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège) - Instrumentation et expérimentation spatiales
Jamar, Claude ;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Rochus, Pierre  ;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Chauvineau, J.-P.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Marioge, J.-P.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Catura, R. C.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Lemen, J. R.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Shing, L.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Stern, R. A.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Gurman, J. B.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Neupert, W. M.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Maucherat, A.;  Observatoire Royal de Belgique, B-1180 Brussels, Belgium
Cugnon, P.
van Dessel, E. L.
More authors (18 more) Less
Language :
English
Title :
First Results from EIT
Publication date :
1997
By request :
Yes
Audience :
International
Main work title :
1st Advances in Solar Physics Euroconference. Advances in Physics of Sunspots
Pages :
268
Peer reviewed :
Peer reviewed
Available on ORBi :
since 07 July 2009

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