...The original text without the "New" was compiled by J. Herschel, and was expanded in 1888 by Danish astronomer Johan Ludvig Emil Dreyer (1852-1926) to form the NGC. Dreyer published the Index Catalogue of Nebulae and Clusters of Stars, an additional catalog of the NGC star catalog, in 1995 and 1906. In 1973, the Revised NGC was published after checking this with the Palomar Photographic Atlas, and according to this, about 80% of the NGC objects are outside the Milky Way Galaxy, 10% are within the Galaxy, and the remaining 10% are confirmed to exist. ... *Some of the terminology referenced in the "Index Catalogue of Nebulae and Clusters of Stars" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…Newを冠しない原典はJ.ハーシェルが編纂,これをデンマークの天文学者ドライアーJohan Ludvig Emil Dreyer(1852‐1926)が1888年に増補してNGCとした。ドライアーは95年,1906年にNGC星表の追加表IC星表Index Catalogue of Nebulae and Clusters of Starsを刊行。73年これをパロマー写真星図でチェックしてRevised NGCが刊行されたが,それによると,NGC天体の約8割は銀河系外,1割は系内で,残り1割は実在が確認されないという。… ※「Index Catalogue of Nebulae and Clusters of Stars」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
<<: Index librorum prohibitorum (English notation) Index librorum prohibitorum
…Similar analyses of the normative consciousness ...
… [Ken Akasaka] [history] The original indigenous...
Founded in 1842, this is one of Europe's leadi...
A Chinese scholar from the Three Kingdoms Wei dyn...
"In the theory of the five elements, blue is ...
〘adv〙 (sometimes accompanied by 「と」) =うkari※Shiji ...
…The figure formed by all the points of l that ar...
German philosopher. Born on May 21 in Bautzen, Sa...
〘noun〙 (From the fact that in the game of three-ca...
…serfs were considered the property of the landlo...
Its chemical composition is CaSO4 , and it is a mi...
Also called "Engi Goki." Diary of Empero...
The name of the northeastern region of the island ...
...An Islamic mystical sect that expanded into No...
…Wetting agents are surfactants that have a parti...