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Prof Jacobus Cornelius Kapteyn FRS FRSE LLD (19 January 1851 – 18 June 1922) was a Dutch astronomer. He carried out extensive studies of the Milky Way. He found that the apparent movement of stars was not randomly distributed but had two preferential directions: the two star streams.
Jacobus Cornelius Kapteyn was a Dutch astronomer who used photography and statistical methods in determining the motions and distribution of stars. Kapteyn attended the State University of Utrecht and in 1875 became a member of the staff of Leiden Observatory. In 1877 he was elected to the chair of.
- The Editors of Encyclopaedia Britannica
May 17, 2018 · The Dutch astronomer Jacobus Cornelis Kapteyn (1851-1922) founded a unique astronomical data analysis laboratory, helped compile a monumental star catalog, discovered the two star streams, and constructed a model of our galaxy.
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Government of Germany, Order Pour le Merite for Arts and Sciences, 1915. National Academy of Sciences, James Craig Watson Medal, 1913. Royal Astronomical Society, Gold medal, 1902.
Blaauw, Adriaan, Dictionary of Scientific Biography 7, 235-40. Blaauw, Adriaan, Biographical Encyclopedia of Astronomers (Springer, NY, 2007), pp. 611-13. Hertzsprung-Kapteyn, H., The Life and Works of J.C. Kapteyn (Kluwer, Norwell, MA, 1994) [translation by E.R. Paul of book written by Kapteyn’s daughter in 1928, previously published in Space Scie...
Crommelin, A.C.D., Nature 110, 48-49 (1922). Eddington, A.S., Proceedings of the Royal Society of London A 102, no. 719, xxix-xxxv (1923). Eddington, A.S., Observatory 45, 261-65 (1922). Jeans, J., MNRAS 83, 250-255 (1923). Seares, F.H., PASP 34, 233-253 (1922). van Maanen, A., Ap.J. 56, 145-53 (1922). van Rhijn, P.J., Popular Astronomy 30, 628-32 ...
Lunar crater Kapteyn Minor Planet #818 Kapteynia Kapteyn’s Star – the second fastest star known. Kapteyn Institute, University of Groningen The Jacobus Kapteyn Telescope Kapteyn Cottage at Mount Wilson Kapteyn Series
Dec 24, 2016 · Dutch astronomer Jacobus Kapteyn made his most important contributions to the study of stellar statistics, i.e., the determination of the numbers and types of stars in different parts of space and their motions.
- Adriaan Blaauw
Overview. Authors: Pieter C. van der Kruit. A fascinating biography of Jacobus C. Kapteyn who pioneered the study of the structure of the Milky Way culminating a century later with the GAIA satellite. Weaves astronomy basics and modern astronomical pictures into the historical plot. Tells the story how Kapteyn pioneered the concept of an ...
Nov 14, 2014 · Jacobus Cornelius Kapteyn (1851–1922) presented a model for the distribution of stars in space together with a dynamical interpretation in terms of an equilibrium between the gravitational field of the stars and their random motion and rotation. In the vertical direction Kapteyn’s results are substantially correct.
