Frederik Kaiser
Frederik Kaiser (Amsterdam, June 10, 1808 – Leiden, July 28, 1872) was a Dutch astronomer. He was director of the Leiden Observatory from 1838 until his death.
He is credited with the advancement of Dutch astronomy through his scientific contributions of positional measurements, his popularization of astronomy in the Netherlands, and by helping to build a state-of-the-art observatory in 1861 (Today it is known as the "Old Observatory").
He made a series of drawings of Mars at its opposition in 1862 and made a fairly precise determination of its rotational period.
Craters on Mars[1] and on the Moon are named in his honour, as well as asteroid 1694 Kaiser.
In Richard Proctor's now-abandoned Martian nomenclature, Syrtis Major Planum was called the "Kaiser Sea". This nomenclature was later dropped in favor of the one introduced by Giovanni Schiaparelli.
Kaiser's parents were Johann Wilhelm Keyser and Anna Sibella Liernur but he was raised by his uncle Johan Frederik Keyser from the age of eight.[2]
References[]
- ^ Bolt, Marvin; Hockey, Thomas; Palmeri, JoAnn (2007). Trimble, Virginia; Williams, Thomas R.; Bracher, Katherine; Jarrell, Richard; Marché, Jordan D.; Ragep, F. Jamil (eds.). Biographical Encyclopedia of Astronomers. Springer Science & Business Media. ISBN 978-0387304007.
- ^ Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers. Springer Publishing. ISBN 978-0-387-31022-0. Retrieved August 22, 2012.
External links[]
Media related to Frederik Kaiser at Wikimedia Commons- Obituary
- Petra van der Heijden Frederik Kaiser (1808-1872) and the modernisation of Dutch astronomy
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