Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI)

被引:1585
作者
Howard, R. A. [1 ]
Moses, J. D. [1 ]
Vourlidas, A. [1 ]
Newmark, J. S. [1 ]
Socker, D. G. [1 ]
Plunkett, S. P. [1 ]
Korendyke, C. M. [1 ]
Cook, J. W. [1 ]
Hurley, A. [1 ]
Davila, J. M. [2 ]
Thompson, W. T. [2 ]
St Cyr, O. C. [2 ]
Mentzell, E. [2 ]
Mehalick, K. [2 ]
Lemen, J. R. [3 ]
Wuelser, J. P. [3 ]
Duncan, D. W. [3 ]
Tarbell, T. D. [3 ]
Wolfson, C. J. [3 ]
Moore, A. [3 ]
Harrison, R. A. [4 ]
Waltham, N. R. [4 ]
Lang, J. [4 ]
Davis, C. J. [4 ]
Eyles, C. J. [5 ]
Mapson-Menard, H. [5 ]
Simnett, G. M. [5 ]
Halain, J. P. [6 ]
Defise, J. M. [6 ]
Mazy, E. [6 ]
Rochus, P. [6 ]
Mercier, R.
Ravet, M. F.
Delmotte, F.
Auchere, F. [7 ]
Delaboudiniere, J. P. [7 ]
Bothmer, V. [8 ]
Deutsch, W. [9 ]
Wang, D. [10 ]
Rich, N. [10 ]
Cooper, S. [11 ]
Stephens, V. [11 ]
Maahs, G. [11 ]
Baugh, R. [12 ]
McMullin, D. [12 ]
Carter, T. [12 ]
机构
[1] USN, Res Lab, EO Hulburt Ctr Space Res, Washington, DC 20375 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20742 USA
[3] Lockheed Martin Solar & Astrophys Lab, Palo Alto, CA 94304 USA
[4] Rutherford Appleton Lab, Space Sci & Technol Dept, Didcot OX11 OQX, Oxon, England
[5] Univ Birmingham, Astrophys & Space Res Grp, Birmingham B15 2TT, W Midlands, England
[6] Univ Liege, Ctr Spatiale Liege, B-4031 Angleur, Belgium
[7] Ctr Univ Orsay, Inst Astrophys Spatiale, F-91405 Orsay, France
[8] Univ Gottingen, Inst Astrophys, Max Planck Inst Solar Syst Res, D-37077 Gottingen, Germany
[9] Max Planck Inst Solar Syst Res, Katlenburg Lindau, Germany
[10] Interferometr Inc, Herndon, VA USA
[11] HYTEC Inc, Los Alamos, NM 87544 USA
[12] Praxis Inc, Alexandria, VA 22303 USA
基金
美国国家航空航天局;
关键词
solar corona; Lyot coronagraph; XUV heliograph; heliospheric imager; coronal loops; coronal mass ejections; stereo; heliosphere;
D O I
10.1007/s11214-008-9341-4
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI) is a five telescope package, which has been developed for the Solar Terrestrial Relation Observatory (STEREO) mission by the Naval Research Laboratory (USA), the Lockheed Solar and Astrophysics Laboratory (USA), the Goddard Space Flight Center (USA), the University of Birmingham (UK), the Rutherford Appleton Laboratory (UK), the Max Planck Institute for Solar System Research (Germany), the Centre Spatiale de Leige (Belgium), the Institut d'Optique (France) and the Institut d'Astrophysique Spatiale (France). SECCHI comprises five telescopes, which together image the solar corona from the solar disk to beyond 1 AU. These telescopes are: an extreme ultraviolet imager (EUVI: 1-1.7 R-circle dot), two traditional Lyot coronagraphs (COR1: 1.5-4 R-circle dot and COR2: 2.5-15 R-circle dot) and two new designs of heliospheric imagers (HI-1: 15-84 R-circle dot and HI-2: 66-318 R-circle dot). All the instruments use 2048x2048 pixel CCD arrays in a backside-in mode. The EUVI backside surface has been specially processed for EUV sensitivity, while the others have an anti-reflection coating applied. A multi-tasking operating system, running on a PowerPC CPU, receives commands from the spacecraft, controls the instrument operations, acquires the images and compresses them for downlink through the main science channel (at compression factors typically up to 20x) and also through a low bandwidth channel to be used for space weather forecasting (at compression factors up to 200x). An image compression factor of about 10x enable the collection of images at the rate of about one every 2-3 minutes. Identical instruments, except for different sizes of occulters, are included on the STEREO-A and STEREO-B spacecraft.
引用
收藏
页码:67 / 115
页数:49
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