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Topic: Jean-Louis Pons

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Jean-Louis Pons - Wikipedia, the free encyclopedia Jean-Louis Pons (December 24, 1761– October 14, 1831) was a French astronomer. Pons received the Lalande Prize in 1818, awarded by the French Academy of Sciences, for his discovery of three comets in that year. Pons was also a co-discoverer of the comet formerly known as "Pons-Coggia-Winnecke-Forbes" and today known as 27P/Crommelin after Andrew Crommelin, who calculated its orbit. en.wikipedia.org /wiki/Jean_Louis_Pons   (200 words)

27pons.htm Jean-Louis Pons was born in Peyre on 24. Pons was invited in 1825 by the Grand Duke of Tuscany, Leopold II., to become the director of the Florence Observatory. Pons learned fast and soon was allowed to do observations with the instruments. www.plicht.de /chris/27pons.htm   (585 words)

Pons, Jean-Louis In 1818 Pons discovered three small, tailless comets, among which was one that he claimed had first been seen in 1805 by Johann Encke of the Berlin Observatory. Pons was made assistant astronomer 1813 and assistant director 1818. Encke wanted the comet to be named after Pons, but it continued to be called after its discoverer. www.cartage.org.lb /en/themes/Biographies/MainBiographies/P/Pons/1.html   (174 words)

3D/Biela - Wikipedia, the free encyclopedia The comet was sighted in 1772 by Charles Messier and in 1805 by Jean-Louis Pons. However, it was Wilhelm von Biela who discovered it in its 1826 perihelion approach (on February 27) and calculated its orbit, discovering it to be periodic with period 6.6 years. It is sometimes known as Comet Biela or Biela's Comet. en.wikipedia.org /wiki/3D/Biela   (242 words)

Cousin Pons - Chapter II Pons did not dare to confess that heart and stomach were at war within him, that he could digest affronts which pained his heart, and, cost what it might, a good dinner that satisfied his palate was a necessity to him, even as your gay Lothario must have a mistress to tease. Pons was a collector, Schmucke a dreamer of dreams; Schmucke was a student of beauty seen by the soul, Pons a preserver of material beauty. Pons, poor honest soul, was for returning the present, and Gaudissart had a world of trouble to persuade him to keep it. www.worldwideschool.org /library/books/lit/debalzac/CousinPons/chap2.html   (6463 words)

JEAN LOUIS PONS - LoveToKnow Article on JEAN LOUIS PONS JEAN LOUIS PONS - LoveToKnow Article on JEAN LOUIS PONS To properly cite this JEAN LOUIS PONS article in your work, copy the complete reference below: Between 1801 and 1827 Pons discovered thirty-seven comets, one of which (observed on the 26th of November 1818) was named after J. Encke, who determined its remarkably short period. www.1911encyclopedia.org /P/PO/PONS_JEAN_LOUIS.htm   (113 words)

2P/Encke The comet's third discovery was made by Jean Louis Pons (France) on 1805 October 20, with independent discoveries being made by Johann Sigismund Huth (Frankfurt an der Oder, Germany) on the 21st and Alexis Bouvard on the 22nd. The comet's fourth discovery was made by Jean Louis Pons (France) on 1818 November 27.9. During 1821 Johann Franz Encke published his prediction that Pons comet of 1819 would return to perihelion 1822 May 23.63, which was just one day too early. www.maa.agleia.de /Comet/Periodic/002p.html   (521 words)

Jean Louis Pons by Elizabeth Roemer Pons continued to observe with such means as he could obtain until in 1825 Leopold II invited him to become the Director of the Observatory of the Museum for Physics and Natural History at Florence, where he found seven more comets. Pons did state in one note that the field of his "Grand Chercheur" was nearly three degrees in diameter. Pons discovered two other interesting periodic comets which have been observed recently: Comet Pons-Brooks (period 72 years, observed in 1954-55) and Comet Pons-Winnecke (period 6.2 years; 15th observed return in 1951, but missed in 1957). www-obs.cnrs-mrs.fr /patrimoine/pons-roemer.html   (2263 words)

STANISLAUS - Online Information article about STANISLAUS LOUIS, or LEWIS (from the Frankish Chlodowich, Chlodwig, Latinized as Chlodowius, Lodhuwicus, Lodhuvicus, whence-in the Strassburg oath of 842-0. LOUIS (1761-1831), French astronomer, was in See also: Lodhuwigs, then Chlovis, Loys and later Louis, whence Span. encyclopedia.jrank.org /SOU_STE/STANISLAUS.html   (686 words)

Comet Encke - Open Encyclopedia It is unusual in that it was named after the person who calculated its orbit rather than the person who discovered it (Jean-Louis Pons). Comet Encke is believed to be the originator of the Taurids meteor shower. open-encyclopedia.com /2P   (194 words)

SPACE.com -- NightSky Friday: Astronomers Ready for Comet Encke's Return Jean Louis Pons at Marseilles discovered a comet on Nov. 26, 1818, but had no way of knowing it was the same object that he had previously seen in 1805. The comet was discovered independently by not one, but three observers: Pons (Marseilles), Huth (Frankfurt-on-Oder), and Bouvard (Paris) within several hours of each other on the morning of Oct. 20, 1805. The comet was visible for three weeks before it disappeared into the evening twilight, but unfortunately, astronomers were unable to calculate an adequate orbit for it. www.space.com /spacewatch/comet_encke_031114.html   (1497 words)

Etienne and Jean Gellineau Etienne was then 42 years old and Jean was in the prime of his life: he was twenty years old and he felt that he was mature enough to take a wife. Their children then were Etienne, born in 1670; Jean, in 1671; Benjamin, in 1672; Pierre in 1674; Francois, in 1676 and Anne, in 1678. Six years later, Etienne and Jean resold to their patron, for the sum of 225 livres, the land that had been ceded to them by the Jesuits in 1664. www.leveillee.net /ancestry/GelinasEJ.htm   (1808 words)

Bright Comets Of The Last Two Centuries - Part II All three comets were discovered by Jean Louis Pons, and all three were about 7th magnitude at discovery. Pons stumbled across another comet (already just visible to the naked-eye) on 11th April, 1811. In those days, communication was far from rapid, and Pons had not heard of the earlier discovery. gchbryant.tripod.com /Articles/BrightcometII1299.htm   (556 words)

History of Comet Grigg-Skjellerup What is now called Comet P/Grigg-Skjellerup was first observed on February 6th and 9th, 1808 by the famous French comet-hunter, Jean-Louis Pons. In 1987, the connection with Pons' 1808 observations was made by Lubor Kresak. The comet was the third to reach perihelion in that year, and was therefore named 1808 III. www.mssl.ucl.ac.uk /www_plasma/missions/gshist.html.orig   (699 words)

UNIVERSE - Journal of The Astronomical Society of New South Wales Inc. Pons developed a habit for finding comets that were recognised as periodic years later. Pons was the first discoverer of several comets over the next five years. Pons' first discovery was made on the night of 11th July, 1801. www.asnsw.com /universe/1999/bcltc-0599.htm   (1009 words)

Canberra Astronomical Society - Southern Cross - December 1997 Jean-Louis Pons set the record for visual discoveries of comets by an individual. Pons found 35 comets, but only 27 are credited to his name - his last was in 1827, giving a rate of 1 per year. Originally appointed concierge at the Marseilles observatory in 1789, he was given astronomy instruction from the observers, and soon allowed to use the telescopes. msowww.anu.edu.au /cas/southerncross/sc_199712.html   (3756 words)

D/1827 M1 (Pons-Gambart) This comet was discovered by Jean Louis Pons (Florence, Italy) and Adolphe Gambart (Marseilles, France) on June 21, 1827. The comet was seen for the final time on July 21 by Pons. Although no system was in place to estimate comet brightnesses at that time, various astronomers have since suggested the comet was then between magnitude 5 and 6. cometography.com /pcomets/1827m1.html   (285 words)

C&MS: 12P/Pons-Brooks Jean Louis Pons (Marseille, France) discovered this comet on 1812 July 21.07 UT. He said it was located in Lynx. Pons described it as a small, ill-defined nebulosity, without a tail, and not visible to the naked eye. Independent discoveries were made by Wisniewsky (Russia) on August 1 and Bouvard (France) on August 2. cometography.com /pcomets/012p.html   (590 words)

C&MS: 7P/Pons-Winnecke Jean Louis Pons (Observatory of Marseille, France) discovered this comet on 1819 June 12. Using only three positions obtained during the period of 1858 March 9 to 13, Krüger computed a parabolic orbit that he immediately recognized as so similar to Pons' comet of 1819 that he suggested they were identical. This image is a combination of three images obtained by the Near Earth Asteroid Tracking (NEAT) program using the 48-inch Oschin telescope and a CCD camera on 2002 May 27.54, May 27.55, and May 27.56. cometography.com /pcomets/007p.html   (573 words)

2P/Encke It was first discovered by Pierre Mechain in January 1786 and rediscovered 3 orbits later by Caroline Herschel in 1795, followed 3 orbits after that by Jean Louis Pons, Huth, and Bouvard in 1805. This is partly due to the comets record short orbital period, but also due to is relatively high activity level (especially during its first observed apparitions in the 18th and early 19th centuries) and its small perihelion distance. pirlwww.lpl.arizona.edu /~jscotti/comets.dir/2P.html   (272 words)

Untitled Document This time, the comet was first seen on the night of 19th October, 1805 by European observers Jean Louis Pons, Johann Sigismund Huth, and Alexis Bouvard. Pons sighted the comet on 26th November, and it brightened over the next few weeks to display a similar appearance to the globular cluster M2, just as in 1786. Huth estimated it to have a brightness of 5th magnitude, with a 5 arc minute wide coma and a tail 3 degrees long. freespace.virgin.net /p.thompson/history/carolineherschel.html   (2263 words)

Comet D/1827 M1 (Pons-Gambart) Details about the apparition are poor: On June 21, 1827 Jean Louis Pons in Florence, Italy and Adolphe Gambart in Marseille, France independently discovered a comet in the constellation Cassiopeia. Because comet Pons-Gambart was observed for only one month its period too can only be determined with an uncertainty of several years. They did not make any remarks concerning the brightness, but it seems that the comet was of magnitude 5 to 6. www.fg-kometen.de /ponsetab.htm   (694 words)

11 July - Today In Science History Jean-Louis Pons set the record for visual discoveries of comets by an individual. Interestingly, as Pons' made his first comet discovery, that comet was Messier's last. Almost once every year, thereafter until 1827 when he eyesight declined, Pons found a new comet. www.todayinsci.com /7/7_11.htm   (2033 words)

* Pollux - (Astronomy): Definition distance -- Polarimetry -- Polaris -- Polarization -- Polarized light -- Pole -- Pollux -- Pond, John -- Pons, Jean-Louis -- Porrima -- Portia -- Portia (moon)... All U Geminorum stars are binaries containing a white dwarf and a red dwarf with total masses of roughly 1-2 M and with periods of less than 12 hours (period of U Gem, 1... Midway between Regulus and Pollux in Gemini, which is now sinking in the west, is the diminutive group Cancer the Crab. www.bestknows.com /astronomy/pollux.html   (810 words)

C&MS: The Andromedids ("Bielids") The comet was discovered on three occasions before its periodic nature became known: first by Montaigne (Limoges, France) on March 8, 1772, second by Jean Louis Pons (Marseilles, France) on November 10, 1805, and finally by Wilhelm von Biela (Josephstadt, Germany) on February 27, 1826. Early in 1867, Professor Edmond Weiss (Austria), Heinrich Louis d'Arrest (Germany), and Professor Johann Gottfried Galle (Berlin, Germany) independently noted that meteor activity observed in early December of 1798 and 1838 moved in the same orbit as comet Biela. The apparitions of 1772 and 1805 involved short observation periods of only 29 and 36 days, respectively, but during 1826, the comet was observed for 72 days, which enabled Biela to mathematically link all three apparitions and declare the discovery of a new periodic comet. comets.amsmeteors.org /meteors/showers/andromedids.html   (3274 words)

Louis Madelin book online - - used out of print books Jean Daniélou, 1972-1974, eclesiastic, theologian, historian and essayist Louis Barthou, 1918-1934, politician, magistrate, historian and historian of literature; assassinated Jean Le Rond, dit d'Alembert, 1754-1783, philosopher and mathematician booksofalltime.com /599953_louis-madelin_1299305199figuresoftherevolutionusedoutofprintbooks.html   (1791 words)

FAAC - Ford Amateur Astronomy Club The record is still held by Jean Louis Pons, the doorkeeper at the Marseille observatory (I don't know if this makes him a professional?), who discovered 37 comets between 1801 and 1837. Only about 300 to 400 people have discovered comets in all of history, and only 150 or so have found more than one. More recently, George Alcok in England, Kaoru Ikeya in Japan, and William Bradfield in Australia (among others) have achieved notoriety for their comet discoveries. www.boonhill.net /faac/other/basic/basic8.html   (811 words)

ESA Science & Technology: Grigg-Skjellerup By using computers to analyse its orbit, astronomers eventually realised in 1987 that it was the same object as Comet 1808 III - originally discovered by Jean-Louis Pons as long ago as 6 February 1808! It is named after John Grigg, a New Zealand teacher of singing, who first saw it on 23 July 1902, and James Francis Skjellerup, an Australian telegraphist working in South Africa, who rediscovered the comet on 17 May 1922. During this century, Grigg-Skjellerup's orbit has been significantly altered by close approaches to Jupiter. sci.esa.int /science-e/www/object/index.cfm?fobjectid=31877   (337 words)

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