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Astron. Astrophys. 316, 279-286 (1996)

Ulysses at high heliographic latitudes: an introduction

Richard G. Marsden1, Edward J. Smith2, John F. Cooper3, and Cecil Tranquille1

1 Space Science Department of ESA, Estec, P.O. Box 299, Noordwijk, The Netherlands
2 Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA
3 Hughes STX Corporation, NASA Space Physics Data Facility, Code 632.9, NASA/GSFC, Maryland, USA

Received 1 April 1996 / Accepted 9 April 1996

Abstract. The unique in situ observations acquired by the scientific instrumentation on board the Ulysses spacecraft have provided, for the first time, a comprehensive, 3-dimensional view of the heliosphere from the solar equator to the poles near solar minimum. Since beginning its journey out of the ecliptic plane in February, 1992, Ulysses has acquired a wealth of truly new observations concerning the particles and fields in the previously unreachable high-latitude regions of the heliosphere. The articles that comprise this special issue are devoted to recent results from the high-latitude passes of Ulysses, including the rapid transit from the southern to the northern hemisphere. This paper serves as an introduction to these articles, and provides a short summary of the major scientific findings from the mission to date. Also included is a description of the various Ulysses data archives and their access.

Key words: Sun: solar wind - Sun: general - interplanetary medium - space vehicles

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Last change: December 30, 1996
© European Southern Observatory (ESO) 1996