Francis Triesnecker

Franz de Paula Triesnecker (born April 2, 1745 in Mallon , Kirchberg am Wagram , † January 29, 1817 in Vienna) was an Austrian astronomer , geodesist , mathematician , philosopher and theologian . He belonged to the Jesuit order . The moon crater Triesnecker and a groove structure on the moon are named after him.

Life

In 1761 Triesnecker entered the Jesuit order . From 1764 to 1768 he studied ancient languages ​​in Szakolcz , philosophy in Vienna and mathematics and languages ​​in Tyrnau . He was ordained a subdeacon, deacon and priest in 1774. After Maximilian Hell's death in 1792, Triesnecker succeeded him as director of the Vienna University Observatory . In 1794 he was elected a foreign member of the Göttingen Academy of Sciences . In 1796 he and Georg Mezburg surveyed Galicia . After his death in 1798, Triesnecker continued the land survey of Lower Austria that Anton Pilgram and Mezburg had begun . Since 1808 he was a foreign member of the Bavarian Academy of Sciences . In 1809 Triesnecker received the Austrian-Imperial Leopold Order .

Works

• 1787: Dissertatio Lalandi de novo Planeta latine reddita Lalandes
  report on the new planet ( Uranus 1781), translated into Latin
• 1788: Tabulae Mercurii juxta Mayeri Göttingensis Elementa
  tables of Mercury based on the elements of Mayer in Göttingen
• 1789: Tabulae Martis novae ex propriis Elementis constructae
  New tables of Mars , calculated from their own elements
• 1790: Novae Veneris Tabulae ex propriis Elementis constructae
  New panels of Venus , calculated from their own elements
• 1791: Methodus figuram telluris ex Eclipsibus Solis deducendi
  A method to derive the shape of the earth from solar eclipses
• 1792: De proprio Motu Stellarum fixarum in Rectascensionem et Declinationem
  About the proper movement of the fixed stars in right ascension and declination
• 1793: Tabulae solares novae ex observationibus deductae et ad Meridianum Parisiensem constructae
  New solar tables , derived from observation and calculated for the Parisian meridian
• 1793: De Diminutione Obliquitatis eclipticae saeculari Commentarius Commentary
  on the progressive reduction in the obliqueness of the ecliptic
• 1794: De Massa Veneris
  on the mass of Venus
• 1795: De usu Aberrationis luminis in tectione Stellarum fixarum per Lunam
  On the consideration of the aberration of light when the moon covers the fixed stars
• 1796: Diameter apparens solis, lunae et planetarum cum micrometro objectivo observatus
  The apparent diameter of the sun, moon and planets observed with the objective micrometer
• 1797: Differentiae Satellitum Jovis ope micrometri objectivi Dolandini observatae
  Distances of the moons of Jupiter, observed with the aid of the Dollond objective micrometer
• 1798: Catalogus fixarum Caillianus novis observationibus restauratus
  Lacailles catalog of the fixed stars, improved by new observations
• 1799: Longitudines Geographicae variorum locorum e Solis Eclipsibus et fixarum deductae
  Geographical longitudes of different places, determined by solar eclipses and coverings of fixed stars
• 1800: Item Longitudines geographicae
  Further geographical lengths
• 1801: Longitudines geographicae variorum tum Europae tum Americae locorum
  Geographical longitudes of different places in Europe and America
• 1802: Determinationes Longitudinis geographicae diversorum locorum ex Eclipsibus solis et occultationibus fixarum per lunam deductae
  Determination of the geographical longitudes of different places, as they can be derived from solar eclipses and coverings of fixed stars by the moon
• 1803: Defensio valoris Tabularum suarum lunarium ex plurium pluribus in locis institutis observationibus
  Defense of the reliability of its lunar tables from many observations carried out in numerous places
• 1804: Longitudines et latudines fixarum ad annum 1800 cum praecessione Longitudes
  and latitudes of the fixed stars for the year 1800 with precession
• 1804: De Stella duplici, quae media in cauda ursae majoris
  About the double star that lies in the middle of the great bear's tail
• 1805: Novae Martis Tabulae cum perturbationibus
  New tables of Mars with consideration of the disturbances
• 1805: Elevatio Poli Vindobonensis Liesganigiana vindicata
  About the pole height of Vienna determined by Liesganig
• 1805: Elevatio Poli Vindobonensis ope Sextantis Anglicani 10 pollicum explorata
  Above the pole height of Vienna, examined with the help of a ten-inch English sextant
• 1806: Novae Mercuri Tabulae
  New tables of Mercury
• 1806: Longitudines locorum geographicae ex occultationibus fixarum Solisque Eclipsibus
  Geographical local lengths, determined by star coverages and solar eclipses
• 1806: Longitudines geographicae littorum, quae Cookius decursu circumvectionis maritimae adiit, ex observationibus astronomicis stabilitae
  The geographical lengths of the coasts that James Cook approached during the circumnavigation of the sea, reliably determined from astronomical observations

literature

• Horst Kastner-Masilko: Franciscus de Paula Triesnecker: 1745 - 1817; Astronomer, mathematician and surveyor from Mallon near Kirchberg am Wagram . Gösing / Wagram: Ed. Weinviertel 2005, ISBN 3-901616-73-X
• Siegmund Günther :  Triesnecker, Franz v. P. In: General German Biography (ADB). Volume 38, Duncker & Humblot, Leipzig 1894, p. 607 f.

Web links

• Literature by and about Francis Triesnecker in the catalog of the German National Library
• Francis a Paula Triesnecker , Catholic Encyclopedia.
• Biography of Horst Kastner-Masilko

Individual evidence

1. ↑ Holger Krahnke: The members of the Academy of Sciences in Göttingen 1751-2001 (= Treatises of the Academy of Sciences in Göttingen, Philological-Historical Class. Volume 3, Vol. 246 = Treatises of the Academy of Sciences in Göttingen, Mathematical-Physical Class. Episode 3, vol. 50). Vandenhoeck & Ruprecht, Göttingen 2001, ISBN 3-525-82516-1 , p. 242.