What Is a Second of Arc? The second of arc is a unit of angle equal to 1/60th of one minute of arc or 1/3,600 of onedegree. A second of arc is sometimes also referred to as an arc second or arcsecond. Seconds of arc can be abbreviated asarcsec, and are also sometimes abbrevi...
So 1 milliarcsecond = 10-3 arcsecond.Definition: MinuteA minute is: * a unit of time equal to 1/60th of an hour and to 60 seconds. (Some rare minutes have 59 or 61 seconds; see leap second.)Metric conversions and moreConvertUnits.com provides an online conversion calculator for all ...
radian. 1 radian is equal to 2.062648062471E+14 nanoarcsecond, or 3437.7467707849 arcminute. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between nanoarcseconds and arcminutes. Type in your own numbers in the form to convert the ...
arcsecond n.a 60th part of a minute of arc 同义词:second 英英释义 arcsecond n.a 60th part of a minute of arc 同义词:second 学习怎么用 双语例句 Especiallyforflat-spectrumcompactradiosources,themilli-arcsecondcomponentswithapparentsuperluminal velocityaredetectedwith highprobability. ...
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天文术语_互动百科 ... archeoastronomy—— 考古天文学arcminute——弧分arcsecond—— 弧秒 ... www.baike.com|基于136个网页 2. 角分 ...明暗相间的细线区分开来,它们之间需要有 0.59角分(arcminute)的差距。0.59角分在10英寸的距离上大致相当于0.0017英 … ...
minute of arc- a unit of angular distance equal to a 60th of a degree arcminute,minute angular unit- a unit of measurement for angles arcdegree,degree- a measure for arcs and angles; "there are 360 degrees in a circle" arcsecond,second- a 60th part of a minute of arc; "the treasur...
arcsecond英英释义 Noun 1. a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here" arcsecond词源英文解释 The first known use of arc second was in 1885 arcsecond 例句 1.The second catalog contains information for more than a million stars, whose positions...
arcminute弧分 角度的单位，等于一度的1/60。arcsecond弧秒 角度的单位，等于一度的1/3600（或者一弧分的1/60）。apparent magnitude视星等 人类肉眼所看到的恒星亮度。absolute magnitude绝对星等 恒星的真正亮度。定义为恒星在距离我们10 秒差距(32.6光年) 时的视星等。astronomical unit (AU)天文单位 天文学家在...
arc minute noun :minutesense 1b Examples ofarc minutein a Sentence Recent Examples on the Web Examples are automatically compiled from online sources to show current usage.Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.Send us feedback. ...