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Bessel's formula
(1) The formula which relates the time (sidereal) Ttrue of passage of a star through the astronomical meridian to the observed time Tobs of passage through the telescope's vertical cross hair, to the declination δ of the star and to the constants m, n and c which are functions of instrumental errors a and b, as follows:
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- Part of Speech: noun
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- Industry/Domain: Earth science
- Category: Mapping science
- Company: American Congress on Surveying & Mapping
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