HIGH-RESOLUTION OBSERVATIONS OF THE EXTREME ULTRAVIOLET SUN |
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| Authors: | Harrison R A Fludra A Pike C D Payne J Thompson W T Poland A I Breeveld E R Breeveld A A Culhane J L Kjeldseth-Moe O Huber M C E Aschenbach B |
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| Institution: | (1) Rutherford Appleton Laboratory, Chilton, Didcot, Astrophysics Division, Oxfordshire, OX11 OQX, U.K;(2) NASA Goddard Space Flight Center, Code 682, Greenbelt, MD, 20771, U.S.A;(3) Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, U.K;(4) Institute of Theoretical Astrophysics, University of Oslo, PO Box 1029, Blindern, 0315 Oslo, Norway;(5) ESA, Space Science Department, ESTEC, P.O. Box 299, 2200 AG, Noordwijk, The Netherlands;(6) Max-Planck Institut für Extraterrestrische Physik, D-85748 Garching, Germany |
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| Abstract: | This paper presents first results of the Coronal Diagnostic Spectrometer (CDS) recently launched aboard the Solar and Heliospheric Observatory (SOHO). CDS is a twin spectrometer, operating in the extreme ultraviolet range 151–785 Å. Thus, it can detect emission lines from trace elements in the corona and transition region which will be used to provide diagnostic information on the solar atmosphere. In this paper, we present early spectra and images, to illustrate the performance of the instrument and to pave the way for future studies. |
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