计时器误差不确定度对沙克尔顿船经度的影响

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-11-01 DOI:10.1017/S0373463322000649

L. Bergman, D. Mearns, R. Stuart

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引用次数: 0

摘要

1915年，当帝国横贯南极探险队的船耐力号被冰封在威德尔海时，进行了月球掩星计时，以便对计时器进行评分，从而找到经度。利用现代月球星历表和恒星位置目录重新分析了最初的观测结果。用这种方法得出的时间与在航海年鉴中给出的位置所得到的时间平均相差20秒，并且在日志中记录的真实位置以东引入了额外的偏移量。

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Influence of chronometer error uncertainties on the Longitude of Shackleton's vessel, Endurance

Abstract In 1915 while the Imperial Trans-Antarctic Expedition's vessel Endurance was icebound in the Weddell Sea, lunar occultation timings were carried out in order to rate the chronometers and thereby find longitude. The original observations have been re-analysed using modern lunar ephemerides and catalogues of star positions. The times derived in this way are found to differ by an average of 20 s from those obtained during the expedition using positions given from the Nautical Almanac and introduces an additional offset of the true positions to the east of those recorded in the log.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.