娘娘腔
发表于 2025-3-28 17:12:54
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急性
发表于 2025-3-28 22:29:20
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Evocative
发表于 2025-3-29 02:04:23
Relativistic AstrometryConcepts of relativistic astrometry — such as Weyl’s stellar compass or the concept of ‘flat-space plus forces’ — are discussed. To visualize effects from light deflection pictures showing the stellar sky as seen from the vicinity of a strongly gravitating source are presented.
invade
发表于 2025-3-29 04:47:15
Current Work on Binary and Multiple StarsFollowing the kind invitation of Prof. Kopal, I am going to refer at this Conference on current work carried out by the IAU Commission 26, after having circulated a letter to all members to collect recent information at various places. I am grateful to those who replied in time for this report, which will also contain some personal considerations.
疏忽
发表于 2025-3-29 09:34:20
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HERTZ
发表于 2025-3-29 14:25:08
Work on Astrometric Binaries in ChinaThe investigations of astrometric binary systems, currently carried out in the People’s Republic of China, are described and discussed.
不自然
发表于 2025-3-29 16:18:30
Close Triple Star SystemsTriple star systems, especially those in which one star has very small mass may be more common than has been generally considered. Here is summarized some of the recent evidence supporting this possibility.
先锋派
发表于 2025-3-29 22:45:22
Prefacee International Astronomical Union. The first meeting was organized in 1959 and dealt with Variable Stars, the last one was held in 1981 and focussed on ‘Binary and Multiple Stars as Tracers of Stellar Evolution’.
他一致
发表于 2025-3-30 01:53:24
On the Observation of Double Stars for the Determination of Their Proper Motions the visual method only. In some declination zones these stars have been observed at a few observatories of the USSR and in Strasbourg, Santiago de Chile and Beograd. The importance of further DS observations, particularly in the southern sky, is stressed.
盟军
发表于 2025-3-30 04:49:17
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