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Colors and Motions

  • Pieter C. van der Kruit
Chapter
Part of the Astrophysics and Space Science Library book series (ASSL, volume 416)

Abstract

Kapteyn had drawn the attention of Simon Newcomb of the US Naval Observatory, who visited him in Groningen and at his second home in Vries. Together with his first PhD student Willem de Sitter (who had worked at the Cape), he commenced the study of the distribution of the colors of stars in different regions of the sky. At that time Kapteyn started to look at patterns of stellar proper motions on the sky, which could be used to estimate distances of stars statistically. In Groningen he was very active in the Physical Sciences Society, which promoted the understanding of scientific progress among a wide audience.

Keywords

Spectral Type Proper Motion Bright Star Stellar Spectrum Royal Greenwich Observatory 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Chapter  8. Colors and Motions

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Pieter C. van der Kruit
    • 1
  1. 1.Kapteyn Astronomical InstituteUniversity of GroningenGroningenThe Netherlands

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