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The Temperature of the Extended Solar Corona

Published online by Cambridge University Press:  13 May 2016

C. R. Foley ,
J. L. Culhane  and
D. MacKay
C. R. Foley
Affiliation:
Mullard Space Science Laboratory, University College London, Holmbury St Mary, Surrey, UK
J. L. Culhane
Affiliation:
Mullard Space Science Laboratory, University College London, Holmbury St Mary, Surrey, UK
D. MacKay
Affiliation:
Department of Mathematical and Physical Sciences, St Andrews University, Scotland, UK

Abstract

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We use the Coronal Diagnostic Spectrometer instrument on board the Solar and Heliospheric Observatory to analyse coronal helmet streamer structures observed close to the solar minimum / maximum on the 1996 July 8 / 1999 August 4-5th. The radial variation of peak electron temperature is extracted out to 2 solar radii. These are found to agree well with Yohkoh observations close to the solar maximum, but are found to be reduced by around half a million close to the solar minimum.

Type
Session V: Coronal Heating and Solar Wind Acceleration
Information
Symposium - International Astronomical Union , Volume 203: Recent Insights into the Physics of the Sun and Heliosphere: Highlights from Soho and Other Space Missions , 2001 , pp. 505 - 507
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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