• Thumbnail for Friedrich Wilhelm Argelander
    Friedrich Wilhelm August Argelander (22 March 1799 – 17 February 1875) was a German astronomer. He is known for his determinations of stellar brightnesses...
    9 KB (821 words) - 21:48, 18 November 2024
  • Thumbnail for Friedrich Wilhelm Bessel
    some of his qualified students. The most prominent of them was Friedrich Wilhelm Argelander, his successors were Otto August Rosenberger and August Ludwig...
    30 KB (2,908 words) - 21:48, 18 November 2024
  • 1947) Friedrich Wilhelm Argelander (1799–1875), Prussian astronomer Friedrich-Wilhelm Graefe zu Baringdorf (born 1942), politician Friedrich Wilhelm Bessel...
    4 KB (485 words) - 14:02, 7 December 2020
  • Thumbnail for University of Bonn
    University of Bonn, officially the Rhenish Friedrich Wilhelm University of Bonn (German: Rheinische Friedrich-Wilhelms-Universität Bonn), is a public research...
    96 KB (9,158 words) - 13:26, 23 December 2024
  • Thumbnail for Johann Friedrich Julius Schmidt
    after Benzenberg died, he joined the Bonn Observatory under Friedrich Wilhelm Argelander. Here, Schmidt measured the visual magnitudes and positions for...
    20 KB (1,923 words) - 03:41, 15 November 2023
  • Thumbnail for 4P/Faye
    finally lost to larger telescopes on April 10, 1844. In 1844, Friedrich Wilhelm Argelander and Thomas James Henderson independently computed that the comet...
    8 KB (627 words) - 23:59, 29 December 2024
  • Thumbnail for Celestial cartography
    000 stars by accuracy of 10". 1903, Bonner Durchmusterung – by Friedrich Wilhelm Argelander and collaborators, circa 460,000 stars. 15th century BC – The...
    15 KB (1,458 words) - 05:51, 4 September 2024
  • Thumbnail for Gold Medal of the Royal Astronomical Society
    testimonial medals, awarded to John Couch Adams, George Biddell Airy, Friedrich Wilhelm Argelander, George Bishop, George Everest, Peter Andreas Hansen, Karl Ludwig...
    28 KB (918 words) - 01:29, 24 October 2024
  • Thumbnail for Groombridge 1830
    Circumpolar Stars (1838). Its high proper motion was noted by Friedrich Wilhelm Argelander in 1842. It is 29.9 light-years (9.2 parsecs) from the Sun as...
    9 KB (676 words) - 19:46, 23 September 2024
  • Thumbnail for Klaipėda
    Daniel Berlin (1714–1787), Norwegian rococo composer and organist Friedrich Wilhelm Argelander (1799–1875), astronomer Yisrael Salanter (1810–1883), founder...
    130 KB (11,689 words) - 05:48, 5 January 2025
  • Thumbnail for Star catalogue
    catalogues. The Bonner Durchmusterung itself was published by Friedrich Wilhelm Argelander, Adalbert Krüger, and Eduard Schönfeld between 1852 and 1859...
    48 KB (5,507 words) - 20:54, 1 June 2024
  • Thumbnail for Great Comet of 1811
    Faidit, "La comète impériale de 1811", Les Presses du Midi, 2012; Friedrich Wilhelm Argelander, Ueber die Bahn des grossen cometen von 1811, (Tr. Table of the...
    14 KB (1,417 words) - 23:54, 29 November 2024
  • Thumbnail for Lalande 21185
    number. In May 1857, Friedrich Wilhelm Argelander discovered the high proper motion of the star. It was sometimes called "Argelander's second star". (The...
    32 KB (3,037 words) - 05:23, 11 October 2024
  • Thumbnail for Eduard Schönfeld
    he visited the Bonn Observatory and studied astronomy under Friedrich Wilhelm Argelander. In 1853, he was appointed assistant, and in the following year...
    4 KB (533 words) - 13:08, 2 October 2024
  • 1952–) Hiroshi Araki (Japan) Sylvain Arend (Belgium, 1902–1992) Friedrich Wilhelm Argelander (Germany, 1799–1875) Aristarchus of Samos (Greece, c. 310 BC...
    126 KB (5,443 words) - 07:52, 27 December 2024
  • Thumbnail for Stephen Groombridge
    stars in his catalogue, Groombridge 1830, was discovered by Friedrich Wilhelm Argelander to have a very high proper motion. For many decades its proper...
    3 KB (373 words) - 02:29, 9 July 2024
  • Thumbnail for R Aquilae
    of R Aquilae was announced by Friedrich Wilhelm Argelander on May 20, 1856. It had been under observation by Argelander and his colleagues at Bonn Observatory...
    9 KB (739 words) - 23:53, 30 December 2024
  • Thumbnail for 1551 Argelander
    discovery observation at Turku. This minor planet was named after Friedrich Wilhelm Argelander (1799–1875), author of the famous Bonner Durchmusterung and 19th-century...
    15 KB (1,027 words) - 14:27, 17 August 2024
  • Thumbnail for Koenigsberg Observatory
    Well-known astronomers who used the observatory included Friedrich Wilhelm Bessel, Friedrich Wilhelm Argelander, Arthur Auwers and Hermann Struve. In 1838, the...
    2 KB (158 words) - 01:13, 31 October 2024
  • Thumbnail for 1799
    March 16 – Anna Atkins, British botanist (d. 1871) March 22 – Friedrich Wilhelm Argelander, German astronomer (d. 1875) March 28 – Karl Adolph von Basedow...
    25 KB (2,965 words) - 17:35, 11 October 2024
  • Thumbnail for François Folie
    he briefly (two months) went to Bonn and started working with Friedrich Wilhelm Argelander in astronomy. He helped in a study of variable stars and with...
    6 KB (667 words) - 19:33, 1 May 2024
  • Thumbnail for Epsilon Aurigae
    Fritsch observed it in 1821. Later observations by Eduard Heis and Friedrich Wilhelm Argelander reinforced Fritsch's initial suspicions and attracted attention...
    34 KB (3,599 words) - 17:06, 18 September 2024
  • cluster Archinal 1 at 18:54:49 / +5°32'54" in Serpens Cauda) Arg — Friedrich Wilhelm Argelander (double stars) ARO — Algonquin Radio Observatory Arp — Atlas...
    60 KB (7,783 words) - 01:39, 15 November 2024
  • Thumbnail for R Coronae Borealis
    designation R Coronae Borealis was introduced, as "Coronae R" by Friedrich Wilhelm Argelander in 1850. The variability of R Coronae Borealis was discovered...
    21 KB (2,228 words) - 05:12, 21 August 2024
  • Thumbnail for Alter Friedhof, Bonn
    Adayevskaya, Russian composer, pianist, and ethnomusicologist Friedrich Wilhelm Argelander, astronomer Ernst Moritz Arndt, author and poet Johann Baptista...
    3 KB (383 words) - 13:05, 29 August 2024
  • Thumbnail for X Trianguli Australis
    the variable star designation developed by German astronomer Friedrich Wilhelm Argelander. It is a cool star, with estimates of its surface temperature...
    6 KB (487 words) - 10:16, 22 August 2024
  • Thumbnail for Mu Cephei
    This variability was quickly confirmed by German astronomer Friedrich Wilhelm Argelander. Almost continual records of the star's variability have been...
    26 KB (2,487 words) - 22:58, 30 December 2024
  • list of nebulae 1824 — Urania's Mirror by Sidney Hall 1862 — Friedrich Wilhelm Argelander publishes his final edition of the Bonner Durchmusterung catalog...
    10 KB (1,100 words) - 00:37, 29 December 2024
  • Thumbnail for 61 Cygni
    36 light-years). Only a few years after Bessel's measurement, in 1842 Friedrich Wilhelm Argelander noted that Groombridge 1830 had an even larger proper motion...
    50 KB (5,233 words) - 22:27, 19 October 2024
  • Thumbnail for S Boötis
    with binoculars. S Boötis was discovered at Bonn Observatory by Friedrich Wilhelm Argelander in 1860. "Download Data". aavso.org. AAVSO. Retrieved 1 October...
    6 KB (396 words) - 11:13, 31 December 2024