ARGELANDER, FRIEDRICH WILHELM AUGUST (1799-1875)
This article appears in Volume V02, Page 457 of the Encyclopedia Britannica.
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ARGELANDER, FRIEDRICH WILHELM AUGUST (1799-1875) , German astronomer, 'was born at Memel on the 22nd of March 1799. He studied at the university of Konigsberg , and was attracted to astronomy by F. W. Bessel, whose assistant he became (October 1, 1820). His treatise on the path of the great comet of 1811 appeared in 1822; he was, in 1823, entrusted with the direction of the observatory at Abo; and he exchanged it for a similar charge at Helsingfors in 1832. His admirable investigation of the sun's motion in space was published in 1837; and in the same year he was appointed professor of astronomy in the university of Bonn , where he died on the 17th of February 1875. He also published Observations .Astrono-micae Alkae Factae (3 vols., 183o-1832); DLX Stellarum Fixarum Positiones Mediae (1835); and the first seven volumes of Astronomische Beobachtungen auf der Sternwarte zu Bonn (1846-1869) , containing his observations of northern and southern star -zones, and his great Durchmusterung (vols. iii.-v., 1859-1862) of 324,198 stars, from the north pole to -2- Dec. The corresponding atlas was issued in 1863. His observations (begun in 1838) and discussions of variable stars were embodied in vol. vii. of the same series . See E. Schonfeld in Vierteljahrsschrift der Astronomischen Gesellschaft, x. pp. 150-178.
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