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A&A 481, L61-L64 (2008)
DOI: 10.1051/0004-6361:20079065

Letter

Multi-spacecraft observations of polar coronal plumes

W. Curdt¹, K. Wilhelm¹, L. Feng¹, and S. Kamio<sup>2

1</sup>  Max-Planck-Institut für Sonnensystemforschung (MPS), Max-Planck-Str.2, 37191 Katlenburg-Lindau, Germany
    e-mail: curdt@mps.mpg.de
²  National Astronomical Observatory of Japan (NAOJ), Mitaka, Tokyo 181-8588, Japan

(Received 14 November 2007 / Accepted 14 January 2008)

Abstract
Aims.Coronal plumes, along with their structure and rôle in the acceleration of the fast solar wind, are of considerable importance in understanding the physics of the solar atmosphere, in particular, when contrasted with the adjacent plasma, the so-called interplume regions.
Methods.Observations of coronal plumes in a coronal hole were obtained with the help of spectrographs and imagers on Hinode, SOHO, STEREO, TRACE, and with ground-based instrumentation. The measurements were performed by a large international team in April 2007.
Results.First results of this study from Hinode, SOHO, and STEREO are presented here, at the level of observational facts, leaving the task of detailed analysis to the future.

Key words: Sun: corona -- Sun: solar wind -- techniques: spectroscopic

© ESO 2008

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