Double Star Observations compared with Elements
نویسندگان
چکیده
منابع مشابه
Cluster and Double Star observations of dipolarization
We studied two types of dipolarization events with different IMF conditions when Cluster and Double Star (TC1) were located in the same local time sector: 7 August 2004, 18:00–24:00 UT, during a disturbed southward/northward IMF interval, and 14 August 2004, 21:00–24:00 UT, when the IMF was stably northward. Cluster observed dipolarization as well as fast flows during both intervals, but this w...
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We present observations of three magnetic flux ropes in the tail of the Earth’s magnetosphere on 7 August 2004 by the Cluster and Double Star TC-1 spacecraft. The first two flux rope signatures were observed, nearsimultaneously, by Cluster and TC-1, which were located at (–16.3, –8.7, 0.10)RE GSM and (–10.3, –7.11, 0.81)RE GSM, respectively, a separation of 6.3RE . A third signature was observe...
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T h e m a i n d z f i c u l t y f o r d e l a y t e s t z n g c o m e s f r o m t h e h u g e n u m b e r of p a f h s a n d Ihe large p e r c e n t a g e o f de lay u n t e s t a b l e p a t h s Thzs p a p e r p r e s e n t s a n a p p r o a c h t o de lay t e s t zng math doub le o b s e r v a t z o n s , whzch p r o t u d e s a hzgh p a t h de lay f a u l t coverage by t e s t zng a s m a l ...
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A tree containing exactly two non-pendant vertices is called a double-star. Let $k_1$ and $k_2$ be two positive integers. The double-star with degree sequence $(k_1+1, k_2+1, 1, ldots, 1)$ is denoted by $S_{k_1, k_2}$. It is known that a cubic graph has an $S_{1,1}$-decomposition if and only if it contains a perfect matching. In this paper, we study the $S_{1,2}$-decomposit...
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In this paper, we investigate the usage of machine learning in the detection and recognition of double stars. To do this, numerous images including one star and double stars are simulated. Then, 100 terms of Zernike expansion with random coefficients are considered as aberrations to impose on the aforementioned images. Also, a telescope with a specific aperture is simulated. In this work, two k...
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ژورنال
عنوان ژورنال: Astronomische Nachrichten
سال: 1876
ISSN: 0004-6337,1521-3994
DOI: 10.1002/asna.18760881303