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Friedrich Wilhelm Bessel, (born July 22, 1784, Minden, Brandenburg—died March 17, 1846, Königsberg, Prussia), German astronomer. He was the first to measure (by means of parallax) the distance to a star other than the Sun. One of his major discoveries was that the bright stars Sirius and Procyon make tiny motions explainable only by the ...
Friedrich Wilhelm Bessel (* 22. Juli 1784 in Minden, Minden-Ravensberg; † 17. März 1846 in Königsberg i. Pr.) war ein richtungsweisender deutscher Wissenschaftler, dessen Tätigkeit sich auf die Gebiete Astronomie, Mathematik, Geodäsie und Physik erstreckte. Während der Ausbildung zum Kaufmann in Bremen erwuchs sein Interesse für die ...
22 de jul. de 2020 · Friedrich Wilhelm Bessel was born in Minden, Westfalia, as the second child of a large family with six daughters and three sons. His mother Friederike Ernestine Bessel née Schrader (1753-1814) was the daughter of a pastor in Rehme. His father Carl Friedrich Bessel (1748-1828) was trained as a lawyer and at that time was employed as a ...
22 de jul. de 2011 · Bessel also worked out a method of mathematical analysis involving what is now known as the Bessel function. He introduced this in 1817 in his study of a problem of Kepler of determining the motion of three bodies moving under mutual gravitation. This mathematical achievement is described in [1] as follows:-.
Friedrich Wilhelm Bessel, né le 22 juillet 1784 à Minden et mort le 17 mars 1846 à Königsberg, est un astronome, mathématicien, géodésien et physicien allemand, connu principalement pour avoir effectué en 1838 les premières mesures précises de la distance d'une étoile et pour être le fondateur de l'école allemande d'astronomie d'observation.
Las funciones de Bessel de segunda especie, denotadas por , son soluciones de la ecuación diferencial de Bessel, Estas funciones divergen en el origen, es decir . Funciones de Bessel de segunda especie, Y α (x), para órdenes α=0,1,2. A estas funciones también se les llama a veces funciones de Neumann o de Weber, y a veces se denotan por .
Friedrich Wilhelm Bessel (1784, Germany-1846, Russia) is probably more famous for his contributions to astronomy than to mathematics. The Bessel functions arise in problems from astronomy, applied mathematics, physics, and engineering. Interestingly, Bessel had no formal education past the age of 14.
