Large-field high-resolution mosaic movies

Robert H. Hammerschlag; Guus Sliepen; Felix C. M. BettonvilAswin P. L. JagersPeter SutterlinYong LinSara F. MartinOlga PanasencoEugene P. Romashets

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Large-field high-resolution mosaic movies

机译：Large-field high-resolution mosaic movies

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Movies with fields-of-view larger than normal, for high-resolution telescopes, will give a better understanding of processes on the Sun such as filament and active region developments and their possible interactions. New active regions can serve as an igniter of the eruption of a nearby filament. A method to create a large field-of-view is to join several fields-of-view into a mosaic. Fields are imaged quickly, one after another, using fast telescope-pointing. Such a pointing cycle has been automated at the Dutch open telescope (DOT), a high-resolution solar telescope located on the Canary Island La Palma. The number and positions of the subfields are calculated automatically and represented by an array of bright points in the guider image which indicates the subfield centers inside the drawn rectangle of the total field on the computer screen with the whole-sun image. Automatic production of flats is also programmed. For the first time, mosaic movies were programmed from stored information on automated telescope motions. The mosaic movies show larger regions of the solar disk in high resolution and fill a gap between available whole-sun images with limited spatial resolution of synoptic telescopes including space instruments and small-field high-cadence movies of high-resolution solar telescopes.

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《Optical Engineering》 |2013年第8期|081603-1-081603-10|共10页
作者
Robert H. Hammerschlag; Guus Sliepen; Felix C. M. BettonvilAswin P. L. JagersPeter SutterlinYong LinSara F. MartinOlga PanasencoEugene P. Romashets;
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作者单位

Utrecht University, Department of Physics & Astronomy, Postbus 80000, 3508TA Utrecht, the Netherlands;

Royal Swedish Academy of Sciences, Institute for Solar Physics, AlbaNova University Center, 10691 Stockholm, Sweden;

Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, the NetherlandsUniversity of Oslo, Institute for Theoretical Astrophysics, P.O. Box 1029, Blindern, N-0315 Oslo 3, NorwayHelio Research, 5212 Maryland Avenue, La Crescenta, California 91214;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
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Large-field high-resolution mosaic movies

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