- Ja·co·bus Cor·ne·lis [yah-koh-bys kawr-ney-lis] /yɑˈkoʊ büs kɔrˈneɪ lɪs/, 1851–1922, Dutch astronomer.
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Examples from the Web for kapteyn
Kapteyn considers the catalogue complete to at least the magnitude 9m.2.
Such a value of the secular parallax is also called, by Kapteyn, the systematic parallax of the stars.
The values of π are generally taken from the table of Kapteyn and Weersma mentioned in the previous chapter.