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Jakob Bartsch or Jacobus Bartschius (c. 1600 – 26 December 1633) was a German astronomer.

Biography

Bartsch was born in Lauban (Lubań) in Lusatia. He was taught how to use the astrolabe by Sarcephalus (Christopher Hauptfleisch), a librarian in Breslau (Wrocław). He also studied astronomy and medicine at the University of Strassburg (Strasbourg).[1]

In 1624 Bartsch published a book titled Usus astronomicus planisphaerii stellati containing star charts that depicted six new constellations introduced around 1613 by Petrus Plancius on a celestial globe published by Pieter van den Keere. These six new constellations were Camelopardalis, Gallus, Jordanis, Monoceros (which he called Unicornu), Tigris and Vespa. He also mentioned but did not depict Rhombus, a separate invention by Isaac Habrecht II. Bartsch was often wrongly credited with having invented these figures. Only Camelopardalis and Monoceros survive today.[2]

Bartsch married Johannes Kepler's daughter Susanna on 12 March 1630[3] and helped Kepler with his calculations.[4] After Kepler's death in 1630, Bartsch edited Kepler's posthumous work Somnium. He also helped gather money from Kepler's estate for his widow.[1]

Bartsch died in Lauban in 1633.

Related quotes

if there is anything that can bind the heavenly mind of man to this dusty exile of our earthy home and can reconcile us with our fate so that we can enjoy living – then it is verily the enjoyment of ... the mathematical sciences and astronomy.

— Johannes Kepler in a letter to Bartsch[5]

Notes

External links

• Bartsch, Jacob. Usus Astronomicus Planisphaerii Stellati, 1624. (Scans by Felice Stoppa.) The first cartographic use of the term planisphere.

На других языках

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[de] Jacob Bartsch

Jacob Bartsch (* 1600 in Lauban; † 26. Dezember 1632 ebenda) war ein deutscher Astronom.

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- [en] Jakob Bartsch

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[fr] Jakob Bartsch

Jakob Bartsch (1600-1633) est un mathématicien, astronome et médecin allemand.

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[it] Jakob Bartsch

Jakob Bartsch, o Jacobus Bartschius (Lubań, 1600 circa – Lubań, 26 dicembre 1633), è stato un astronomo tedesco.

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[ru] Барч, Якоб

Якоб Барч (Барчиус) (нем. Jakob Bartsch; 1600—1633) — немецкий астроном. Доктор медицины, адъюнкт-профессор математики Страсбургского университета[1]. Зять и помощник Иоганна Кеплера (12 марта 1630 года женился на дочери Кеплера Сусанне[2]). Занимался подготовкой и публикацией работ Кеплера. Был душеприказчиком Кеплера, но не смог опубликовать полученные рукописи последнего, поскольку сам тяжело заболел и вскоре скончался. Автор нескольких трактатов по астрономии.

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