F w a argelander (2 Ergebnisse)
Verlag: Zwolle, Erven J.J. Tijl, 1855. viii, 158 pp., 1855
Anbieter: Antiquariaat Hortus Conclusus, Bergambacht, NiederlandeAntiquariaat Hortus Conclusus
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In den WarenkorbOrigineel bedrukt omslag. Binding zwak, soms iets gebruind, maar een goed exemplaar. Please see description or ask for photos.
Anbieter: Antiquariaat Schierenberg, Amsterdam, NiederlandeAntiquariaat Schierenberg
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In den WarenkorbSt. Petersburg, Académie des Sciences de St. Petersburg, 1837. Large 4to (28.0 x 21.5 cm). No wrappers. = Rare work by the German astronomer Friedrich Wilhelm August Argelander (1799-1875). "He is known for his determinations of stellar brightnesses, positions, and distances.He studied with Friedrich Bessel, and obtained his Ph.…D. in 1822 at University of Königsberg. From 1823 until 1837, Argelander was the head of the Finnish observatory, first in Turku and then in Helsinki. He then moved to Bonn, Germany. There he designed and built a new observatory at the University of Bonn with funding approved directly by King Frederick William IV whom Argelander had become friends with in his childhood Argelander excelled in developing effective, simple and fast methods for measuring star positions and magnitudes, thereby making a pioneering work for modern astronomy. He also measured star distances with heliometers. His, and his collaborators', great practical works of star cataloging and variable star research were made possible by the systematic usage of then newly developed techniques. Argelander was the first astronomer to begin a careful study of variable stars. Only a handful were known when he began, and he was responsible for introducing the modern system of identifying them. He also made a rough determination of the direction in which the Sun was moving." (Wikipedia). This is the topic of the present paper, which is his first. The same subject was discussed by him in the Astronomische Nachrichten. Uncut. A few marginal spots. Otherwise a very good copy. Houzeau & Lancaster 2, p. 676.