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2 de jul. de 2017 · Friedrich Bessel, one of the most skilled astronomical observers of his time, made the first published determination of stellar parallax and distance, produced numerous volumes of his own observations, reduced observations of others, and contributed to advanced mathematics and celestial mechanics. Bessel was one of three sons and six daughters ...
Friedrich Bessel (1784–1846), German astronomer and mathematician who first measured stellar parallax. Engraving by Johann Wolf (after E. Mandel), Abhandlung von Friedrich Wilhelm Bessel, Engelmann, Rudolph, ed. Leipzig: Verlag von Wilhelm Engelmann, 1875.
Corrección de Bessel. En estadística, la corrección de Bessel — así llamada por su creador, el astrónomo y matemático alemán Friedrich Bessel (1784-1846) — consiste en el uso de ( n − 1) en lugar de n en las fórmulas de la varianza muestral y de la desviación típica muestral (siendo n el número de observaciones de una muestra).
27 de jun. de 2018 · Bessel, Friedrich Wilhelm (1784–1846) German astronomer and mathematician. Bessel devised a system for analysing and reducing astronomical observations, made the first accepted measurements of the distance of a star (61 Cygni), and accurately predicted that Sirius and Procyon are binary stars.
Friedrich Wilhelm Bessel ( Minden, 22 juli 1784 – Koningsbergen (nu Kaliningrad ), 17 maart 1846) was een Duitse astronoom, wiskundige, natuurkundige en geodeet . Friedrich Wilhelm Bessel werd geboren in Minden in Duitsland als zoon van een ambtenaar.
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Hace 5 días · Bessel function, any of a set of mathematical functions systematically derived around 1817 by the German astronomer Friedrich Wilhelm Bessel. They arise in the solution of Laplace’s equation when the latter is formulated in cylindrical coordinates. Learn more about Bessel functions in this article.
